79817620

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{4861}}^1$

素因数の和:5691

約数の個数: 24

約数和(自身を含む): 167855688

約数和(自身を除く): 88038068

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 4861, 8210, 9722, 16420, 19444, 24305, 48610, 97220, 3990881, 7981762, 15963524, 19954405, 39908810, 79817620]

約数ペア:

[(1, 79817620), (2, 39908810), (4, 19954405), (5, 15963524), (10, 7981762), (20, 3990881), (821, 97220), (1642, 48610), (3284, 24305), (4105, 19444), (4861, 16420), (8210, 9722)]