40702280

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2417}}^1$

素因数の和:2849

約数の個数: 32

約数和(自身を含む): 91835640

約数和(自身を除く): 51133360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 2417, 3368, 4210, 4834, 8420, 9668, 12085, 16840, 19336, 24170, 48340, 96680, 1017557, 2035114, 4070228, 5087785, 8140456, 10175570, 20351140, 40702280]

約数ペア:

[(1, 40702280), (2, 20351140), (4, 10175570), (5, 8140456), (8, 5087785), (10, 4070228), (20, 2035114), (40, 1017557), (421, 96680), (842, 48340), (1684, 24170), (2105, 19336), (2417, 16840), (3368, 12085), (4210, 9668), (4834, 8420)]