81146060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139907}}^1$

素因数の和:139945

約数の個数: 24

約数和(自身を含む): 176284080

約数和(自身を除く): 95138020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 139907, 279814, 559628, 699535, 1399070, 2798140, 4057303, 8114606, 16229212, 20286515, 40573030, 81146060]

約数ペア:

[(1, 81146060), (2, 40573030), (4, 20286515), (5, 16229212), (10, 8114606), (20, 4057303), (29, 2798140), (58, 1399070), (116, 699535), (145, 559628), (290, 279814), (580, 139907)]