56906980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218873}}^1$

素因数の和:218895

約数の個数: 24

約数和(自身を含む): 128697912

約数和(自身を除く): 71790932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 218873, 437746, 875492, 1094365, 2188730, 2845349, 4377460, 5690698, 11381396, 14226745, 28453490, 56906980]

約数ペア:

[(1, 56906980), (2, 28453490), (4, 14226745), (5, 11381396), (10, 5690698), (13, 4377460), (20, 2845349), (26, 2188730), (52, 1094365), (65, 875492), (130, 437746), (260, 218873)]