2021285575

素因数分解:

$5^2\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{3329}}^1$

素因数の和:3651

約数の個数: 24

約数和(自身を含む): 2539458000

約数和(自身を除く): 518172425

約数列:

[1, 5, 25, 149, 163, 745, 815, 3329, 3725, 4075, 16645, 24287, 83225, 121435, 496021, 542627, 607175, 2480105, 2713135, 12400525, 13565675, 80851423, 404257115, 2021285575]

約数ペア:

[(1, 2021285575), (5, 404257115), (25, 80851423), (149, 13565675), (163, 12400525), (745, 2713135), (815, 2480105), (3329, 607175), (3725, 542627), (4075, 496021), (16645, 121435), (24287, 83225)]