1990110365825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{2713}}^1\times {\mathrm{946511}}^1$

素因数の和:949265

約数の個数: 24

約数和(自身を含む): 2548282899456

約数和(自身を除く): 558172533631

約数列:

[1, 5, 25, 31, 155, 775, 2713, 13565, 67825, 84103, 420515, 946511, 2102575, 4732555, 23662775, 29341841, 146709205, 733546025, 2567884343, 12839421715, 64197108575, 79604414633, 398022073165, 1990110365825]

約数ペア:

[(1, 1990110365825), (5, 398022073165), (25, 79604414633), (31, 64197108575), (155, 12839421715), (775, 2567884343), (2713, 733546025), (13565, 146709205), (67825, 29341841), (84103, 23662775), (420515, 4732555), (946511, 2102575)]