Divisors of 2500: All 15 Factors
Quick Answer
2500 has 15 divisors (factors): 1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500.
Sum: 5467. 2500 is a perfect square (√2500 = 50).
Divisors (Factors) Calculator
Use the calculator above to find all divisors (also called factors) of any positive integer up to 4,782,969. Beyond the divisor list, this tool also shows divisor pairs, the sum and count of divisors, prime factorization, and number properties (prime, perfect square, perfect number).
All Divisors of 2500
The number 2500 has 15 divisors:
1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500
Divisor Pairs of 2500
Each pair multiplies to 2500:
| Factor 1 | × | Factor 2 | = | Product |
|---|---|---|---|---|
| 1 | × | 2500 | = | 2500 |
| 2 | × | 1250 | = | 2500 |
| 4 | × | 625 | = | 2500 |
| 5 | × | 500 | = | 2500 |
| 10 | × | 250 | = | 2500 |
| 20 | × | 125 | = | 2500 |
| 25 | × | 100 | = | 2500 |
| 50 | × | 50 | = | 2500 |
Note: the last pair has identical factors (50 × 50) because 2500 is a perfect square.
Number of Divisors
The number 2500 has 15 divisors, written as τ(2500) = 15 in number theory.
⚡ Notice: 2500 has an odd number of divisors — this means 2500 is a perfect square (√2500 = 50).
Sum of Divisors
σ(2500) = 1 + 2 + 4 + 5 + 10 + 20 + 25 + 50 + 100 + 125 + 250 + 500 + 625 + 1250 + 2500 = 5467
Prime Factorization of 2500
Properties of 2500
- 2500 is composite.
- 2500 is a perfect square (√2500 = 50).
- Number of divisors: 15.
- Sum of divisors: 5467.
Common Divisors with Another Number?
Looking for the divisors that 2500 shares with another number? Use our Greatest Common Factor (GCF) calculator — it finds all common divisors and the largest one.
Step-by-Step: How to Find the Divisors of 2500
An efficient way to find divisors uses the complementary pair trick: check each integer i from 1 to √2500 ≈ 50.00. If i divides 2500, then both i and 2500/i are divisors.
- 1 divides 2500 (2500 ÷ 1 = 2500) → pair (1, 2500)
- 2 divides 2500 (2500 ÷ 2 = 1250) → pair (2, 1250)
- 4 divides 2500 (2500 ÷ 4 = 625) → pair (4, 625)
- 5 divides 2500 (2500 ÷ 5 = 500) → pair (5, 500)
- 10 divides 2500 (2500 ÷ 10 = 250) → pair (10, 250)
- 20 divides 2500 (2500 ÷ 20 = 125) → pair (20, 125)
- 25 divides 2500 (2500 ÷ 25 = 100) → pair (25, 100)
- 50 divides 2500 (2500 ÷ 50 = 50) → pair (50, 50)
- Collect all unique values: {1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500} — total 15 divisors.
- Sum: 1 + 2 + 4 + 5 + 10 + 20 + 25 + 50 + 100 + 125 + 250 + 500 + 625 + 1250 + 2500 = 5467.
Nearby Examples
Related Operations for 2500
- Multiples of 2500 — "outward" complement; M is a multiple of 2500 ⇔ 2500 is a divisor of M
- 2500 Prime Factorization — decompose into prime building blocks
- Find GCF of 2500 and another number
- Find LCM of 2500 and another number
- Is 2500 a perfect square? (odd divisor count ⇔ yes)
See also our tables of divisors:
What Is a Divisor?
A divisor (also called a factor) of a positive integer n is any positive integer d such that n ÷ d has no remainder. In other words, d divides n evenly.
Every positive integer n has at least two divisors: 1 and n itself (with 1 being the trivial case of having only itself). Numbers with exactly 2 divisors are prime; numbers with 3 or more divisors are composite.
Why use this calculator? Beyond just listing divisors, this tool computes the sum σ(n), the count τ(n), prime factorization, divisor pairs (useful for visual learners and factoring problems), and detects whether n is a prime, a perfect square, or a perfect number.
Divisors Calculation Examples
Find all divisors of these numbers:
Related Calculators
- Multiples of a Number — "outward" complement
- Prime Factorization — product of prime divisors
- Greatest Common Factor (GCF) — largest common divisor of 2+ numbers
- Least Common Multiple (LCM) — smallest common multiple
- Is N a Perfect Square? — odd divisor count check