25205420

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5021}}^1$

素因数の和:5281

約数の個数: 24

約数和(自身を含む): 53152848

約数和(自身を除く): 27947428

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 5021, 10042, 20084, 25105, 50210, 100420, 1260271, 2520542, 5041084, 6301355, 12602710, 25205420]

約数ペア:

[(1, 25205420), (2, 12602710), (4, 6301355), (5, 5041084), (10, 2520542), (20, 1260271), (251, 100420), (502, 50210), (1004, 25105), (1255, 20084), (2510, 10042), (5020, 5021)]