8340805960

素因数分解:

$2^3\times 5^1\times {\mathrm{208520149}}^1$

素因数の和:208520160

約数の個数: 16

約数和(自身を含む): 18766813500

約数和(自身を除く): 10426007540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 208520149, 417040298, 834080596, 1042600745, 1668161192, 2085201490, 4170402980, 8340805960]

約数ペア:

[(1, 8340805960), (2, 4170402980), (4, 2085201490), (5, 1668161192), (8, 1042600745), (10, 834080596), (20, 417040298), (40, 208520149)]