201625180

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{42181}}^1$

素因数の和:42429

約数の個数: 24

約数和(自身を含む): 425194560

約数和(自身を除く): 223569380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 42181, 84362, 168724, 210905, 421810, 843620, 10081259, 20162518, 40325036, 50406295, 100812590, 201625180]

約数ペア:

[(1, 201625180), (2, 100812590), (4, 50406295), (5, 40325036), (10, 20162518), (20, 10081259), (239, 843620), (478, 421810), (956, 210905), (1195, 168724), (2390, 84362), (4780, 42181)]