90409160

素因数分解:

$2^3\times 5^1\times {\mathrm{2260229}}^1$

素因数の和:2260240

約数の個数: 16

約数和(自身を含む): 203420700

約数和(自身を除く): 113011540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2260229, 4520458, 9040916, 11301145, 18081832, 22602290, 45204580, 90409160]

約数ペア:

[(1, 90409160), (2, 45204580), (4, 22602290), (5, 18081832), (8, 11301145), (10, 9040916), (20, 4520458), (40, 2260229)]