99157640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{31379}}^1$

素因数の和:31469

約数の個数: 32

約数和(自身を含む): 225936000

約数和(自身を除く): 126778360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 31379, 62758, 125516, 156895, 251032, 313790, 627580, 1255160, 2478941, 4957882, 9915764, 12394705, 19831528, 24789410, 49578820, 99157640]

約数ペア:

[(1, 99157640), (2, 49578820), (4, 24789410), (5, 19831528), (8, 12394705), (10, 9915764), (20, 4957882), (40, 2478941), (79, 1255160), (158, 627580), (316, 313790), (395, 251032), (632, 156895), (790, 125516), (1580, 62758), (3160, 31379)]