40160291240

素因数分解:

$2^3\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{889289}}^1$

素因数の和:890429

約数の個数: 32

約数和(自身を含む): 90440793000

約数和(自身を除く): 50280501760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1129, 2258, 4516, 5645, 9032, 11290, 22580, 45160, 889289, 1778578, 3557156, 4446445, 7114312, 8892890, 17785780, 35571560, 1004007281, 2008014562, 4016029124, 5020036405, 8032058248, 10040072810, 20080145620, 40160291240]

約数ペア:

[(1, 40160291240), (2, 20080145620), (4, 10040072810), (5, 8032058248), (8, 5020036405), (10, 4016029124), (20, 2008014562), (40, 1004007281), (1129, 35571560), (2258, 17785780), (4516, 8892890), (5645, 7114312), (9032, 4446445), (11290, 3557156), (22580, 1778578), (45160, 889289)]