86385620

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{5261}}^1$

素因数の和:6091

約数の個数: 24

約数和(自身を含む): 181665288

約数和(自身を除く): 95279668

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 5261, 8210, 10522, 16420, 21044, 26305, 52610, 105220, 4319281, 8638562, 17277124, 21596405, 43192810, 86385620]

約数ペア:

[(1, 86385620), (2, 43192810), (4, 21596405), (5, 17277124), (10, 8638562), (20, 4319281), (821, 105220), (1642, 52610), (3284, 26305), (4105, 21044), (5261, 16420), (8210, 10522)]