64511740

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{5791}}^1$

素因数の和:6357

約数の個数: 24

約数和(自身を含む): 135741312

約数和(自身を除く): 71229572

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 5791, 11140, 11582, 23164, 28955, 57910, 115820, 3225587, 6451174, 12902348, 16127935, 32255870, 64511740]

約数ペア:

[(1, 64511740), (2, 32255870), (4, 16127935), (5, 12902348), (10, 6451174), (20, 3225587), (557, 115820), (1114, 57910), (2228, 28955), (2785, 23164), (5570, 11582), (5791, 11140)]