25568420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31181}}^1$

素因数の和:31231

約数の個数: 24

約数和(自身を含む): 55005048

約数和(自身を除く): 29436628

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 31181, 62362, 124724, 155905, 311810, 623620, 1278421, 2556842, 5113684, 6392105, 12784210, 25568420]

約数ペア:

[(1, 25568420), (2, 12784210), (4, 6392105), (5, 5113684), (10, 2556842), (20, 1278421), (41, 623620), (82, 311810), (164, 155905), (205, 124724), (410, 62362), (820, 31181)]