90729160

素因数分解:

$2^3\times 5^1\times {\mathrm{2268229}}^1$

素因数の和:2268240

約数の個数: 16

約数和(自身を含む): 204140700

約数和(自身を除く): 113411540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2268229, 4536458, 9072916, 11341145, 18145832, 22682290, 45364580, 90729160]

約数ペア:

[(1, 90729160), (2, 45364580), (4, 22682290), (5, 18145832), (8, 11341145), (10, 9072916), (20, 4536458), (40, 2268229)]