81909050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{56489}}^1$

素因数の和:56530

約数の個数: 24

約数和(自身を含む): 157607100

約数和(自身を除く): 75698050

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 56489, 112978, 282445, 564890, 1412225, 1638181, 2824450, 3276362, 8190905, 16381810, 40954525, 81909050]

約数ペア:

[(1, 81909050), (2, 40954525), (5, 16381810), (10, 8190905), (25, 3276362), (29, 2824450), (50, 1638181), (58, 1412225), (145, 564890), (290, 282445), (725, 112978), (1450, 56489)]