85651870

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{208907}}^1$

素因数の和:208955

約数の個数: 16

約数和(自身を含む): 157934448

約数和(自身を除く): 72282578

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 208907, 417814, 1044535, 2089070, 8565187, 17130374, 42825935, 85651870]

約数ペア:

[(1, 85651870), (2, 42825935), (5, 17130374), (10, 8565187), (41, 2089070), (82, 1044535), (205, 417814), (410, 208907)]