156221020

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{32411}}^1$

素因数の和:32661

約数の個数: 24

約数和(自身を含む): 329435568

約数和(自身を除く): 173214548

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 32411, 64822, 129644, 162055, 324110, 648220, 7811051, 15622102, 31244204, 39055255, 78110510, 156221020]

約数ペア:

[(1, 156221020), (2, 78110510), (4, 39055255), (5, 31244204), (10, 15622102), (20, 7811051), (241, 648220), (482, 324110), (964, 162055), (1205, 129644), (2410, 64822), (4820, 32411)]