207810160

素因数分解:

$2^4\times 5^1\times {\mathrm{2597627}}^1$

素因数の和:2597640

約数の個数: 20

約数和(自身を含む): 483158808

約数和(自身を除く): 275348648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2597627, 5195254, 10390508, 12988135, 20781016, 25976270, 41562032, 51952540, 103905080, 207810160]

約数ペア:

[(1, 207810160), (2, 103905080), (4, 51952540), (5, 41562032), (8, 25976270), (10, 20781016), (16, 12988135), (20, 10390508), (40, 5195254), (80, 2597627)]