86226440

素因数分解:

$2^3\times 5^1\times {\mathrm{2155661}}^1$

素因数の和:2155672

約数の個数: 16

約数和(自身を含む): 194009580

約数和(自身を除く): 107783140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2155661, 4311322, 8622644, 10778305, 17245288, 21556610, 43113220, 86226440]

約数ペア:

[(1, 86226440), (2, 43113220), (4, 21556610), (5, 17245288), (8, 10778305), (10, 8622644), (20, 4311322), (40, 2155661)]