202012475

素因数分解:

$5^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{4079}}^1$

素因数の和:4379

約数の個数: 24

約数和(自身を含む): 287362560

約数和(自身を除く): 85350085

約数列:

[1, 5, 7, 25, 35, 175, 283, 1415, 1981, 4079, 7075, 9905, 20395, 28553, 49525, 101975, 142765, 713825, 1154357, 5771785, 8080499, 28858925, 40402495, 202012475]

約数ペア:

[(1, 202012475), (5, 40402495), (7, 28858925), (25, 8080499), (35, 5771785), (175, 1154357), (283, 713825), (1415, 142765), (1981, 101975), (4079, 49525), (7075, 28553), (9905, 20395)]