1048651640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{494647}}^1$

素因数の和:494711

約数の個数: 32

約数和(自身を含む): 2403989280

約数和(自身を除く): 1355337640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 494647, 989294, 1978588, 2473235, 3957176, 4946470, 9892940, 19785880, 26216291, 52432582, 104865164, 131081455, 209730328, 262162910, 524325820, 1048651640]

約数ペア:

[(1, 1048651640), (2, 524325820), (4, 262162910), (5, 209730328), (8, 131081455), (10, 104865164), (20, 52432582), (40, 26216291), (53, 19785880), (106, 9892940), (212, 4946470), (265, 3957176), (424, 2473235), (530, 1978588), (1060, 989294), (2120, 494647)]