20100656080

素因数分解:

$2^4\times 5^1\times {\mathrm{251258201}}^1$

素因数の和:251258214

約数の個数: 20

約数和(自身を含む): 46734025572

約数和(自身を除く): 26633369492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251258201, 502516402, 1005032804, 1256291005, 2010065608, 2512582010, 4020131216, 5025164020, 10050328040, 20100656080]

約数ペア:

[(1, 20100656080), (2, 10050328040), (4, 5025164020), (5, 4020131216), (8, 2512582010), (10, 2010065608), (16, 1256291005), (20, 1005032804), (40, 502516402), (80, 251258201)]