164089160

素因数分解:

$2^3\times 5^1\times {\mathrm{4102229}}^1$

素因数の和:4102240

約数の個数: 16

約数和(自身を含む): 369200700

約数和(自身を除く): 205111540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4102229, 8204458, 16408916, 20511145, 32817832, 41022290, 82044580, 164089160]

約数ペア:

[(1, 164089160), (2, 82044580), (4, 41022290), (5, 32817832), (8, 20511145), (10, 16408916), (20, 8204458), (40, 4102229)]