56162620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{68491}}^1$

素因数の和:68541

約数の個数: 24

約数和(自身を含む): 120819888

約数和(自身を除く): 64657268

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 68491, 136982, 273964, 342455, 684910, 1369820, 2808131, 5616262, 11232524, 14040655, 28081310, 56162620]

約数ペア:

[(1, 56162620), (2, 28081310), (4, 14040655), (5, 11232524), (10, 5616262), (20, 2808131), (41, 1369820), (82, 684910), (164, 342455), (205, 273964), (410, 136982), (820, 68491)]