55809820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{253681}}^1$

素因数の和:253701

約数の個数: 24

約数和(自身を含む): 127855728

約数和(自身を除く): 72045908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 253681, 507362, 1014724, 1268405, 2536810, 2790491, 5073620, 5580982, 11161964, 13952455, 27904910, 55809820]

約数ペア:

[(1, 55809820), (2, 27904910), (4, 13952455), (5, 11161964), (10, 5580982), (11, 5073620), (20, 2790491), (22, 2536810), (44, 1268405), (55, 1014724), (110, 507362), (220, 253681)]