4080443960

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{803237}}^1$

素因数の和:803375

約数の個数: 32

約数和(自身を含む): 9253301760

約数和(自身を除く): 5172857800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 803237, 1606474, 3212948, 4016185, 6425896, 8032370, 16064740, 32129480, 102011099, 204022198, 408044396, 510055495, 816088792, 1020110990, 2040221980, 4080443960]

約数ペア:

[(1, 4080443960), (2, 2040221980), (4, 1020110990), (5, 816088792), (8, 510055495), (10, 408044396), (20, 204022198), (40, 102011099), (127, 32129480), (254, 16064740), (508, 8032370), (635, 6425896), (1016, 4016185), (1270, 3212948), (2540, 1606474), (5080, 803237)]