65850040

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3929}}^1$

素因数の和:4359

約数の個数: 32

約数和(自身を含む): 148554000

約数和(自身を除く): 82703960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 3929, 4190, 7858, 8380, 15716, 16760, 19645, 31432, 39290, 78580, 157160, 1646251, 3292502, 6585004, 8231255, 13170008, 16462510, 32925020, 65850040]

約数ペア:

[(1, 65850040), (2, 32925020), (4, 16462510), (5, 13170008), (8, 8231255), (10, 6585004), (20, 3292502), (40, 1646251), (419, 157160), (838, 78580), (1676, 39290), (2095, 31432), (3352, 19645), (3929, 16760), (4190, 15716), (7858, 8380)]