86961580

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{10631}}^1$

素因数の和:11049

約数の個数: 24

約数和(自身を含む): 183083040

約数和(自身を除く): 96121460

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 10631, 21262, 42524, 53155, 106310, 212620, 4348079, 8696158, 17392316, 21740395, 43480790, 86961580]

約数ペア:

[(1, 86961580), (2, 43480790), (4, 21740395), (5, 17392316), (10, 8696158), (20, 4348079), (409, 212620), (818, 106310), (1636, 53155), (2045, 42524), (4090, 21262), (8180, 10631)]