80852080

素因数分解:

$2^4\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1231}}^1$

素因数の和:2065

約数の個数: 40

約数和(自身を含む): 188362944

約数和(自身を除く): 107510864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 821, 1231, 1642, 2462, 3284, 4105, 4924, 6155, 6568, 8210, 9848, 12310, 13136, 16420, 19696, 24620, 32840, 49240, 65680, 98480, 1010651, 2021302, 4042604, 5053255, 8085208, 10106510, 16170416, 20213020, 40426040, 80852080]

約数ペア:

[(1, 80852080), (2, 40426040), (4, 20213020), (5, 16170416), (8, 10106510), (10, 8085208), (16, 5053255), (20, 4042604), (40, 2021302), (80, 1010651), (821, 98480), (1231, 65680), (1642, 49240), (2462, 32840), (3284, 24620), (4105, 19696), (4924, 16420), (6155, 13136), (6568, 12310), (8210, 9848)]