86477620

素因数分解:

$2^2\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{2311}}^1$

素因数の和:4191

約数の個数: 24

約数和(自身を含む): 181778688

約数和(自身を除く): 95301068

約数列:

[1, 2, 4, 5, 10, 20, 1871, 2311, 3742, 4622, 7484, 9244, 9355, 11555, 18710, 23110, 37420, 46220, 4323881, 8647762, 17295524, 21619405, 43238810, 86477620]

約数ペア:

[(1, 86477620), (2, 43238810), (4, 21619405), (5, 17295524), (10, 8647762), (20, 4323881), (1871, 46220), (2311, 37420), (3742, 23110), (4622, 18710), (7484, 11555), (9244, 9355)]