72265820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{328481}}^1$

素因数の和:328501

約数の個数: 24

約数和(自身を含む): 165554928

約数和(自身を除く): 93289108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 328481, 656962, 1313924, 1642405, 3284810, 3613291, 6569620, 7226582, 14453164, 18066455, 36132910, 72265820]

約数ペア:

[(1, 72265820), (2, 36132910), (4, 18066455), (5, 14453164), (10, 7226582), (11, 6569620), (20, 3613291), (22, 3284810), (44, 1642405), (55, 1313924), (110, 656962), (220, 328481)]