72243820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{328381}}^1$

素因数の和:328401

約数の個数: 24

約数和(自身を含む): 165504528

約数和(自身を除く): 93260708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 328381, 656762, 1313524, 1641905, 3283810, 3612191, 6567620, 7224382, 14448764, 18060955, 36121910, 72243820]

約数ペア:

[(1, 72243820), (2, 36121910), (4, 18060955), (5, 14448764), (10, 7224382), (11, 6567620), (20, 3612191), (22, 3283810), (44, 1641905), (55, 1313524), (110, 656762), (220, 328381)]