56404820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{65587}}^1$

素因数の和:65639

約数の個数: 24

約数和(自身を含む): 121206624

約数和(自身を除く): 64801804

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 65587, 131174, 262348, 327935, 655870, 1311740, 2820241, 5640482, 11280964, 14101205, 28202410, 56404820]

約数ペア:

[(1, 56404820), (2, 28202410), (4, 14101205), (5, 11280964), (10, 5640482), (20, 2820241), (43, 1311740), (86, 655870), (172, 327935), (215, 262348), (430, 131174), (860, 65587)]