80527780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{138841}}^1$

素因数の和:138879

約数の個数: 24

約数和(自身を含む): 174940920

約数和(自身を除く): 94413140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 138841, 277682, 555364, 694205, 1388410, 2776820, 4026389, 8052778, 16105556, 20131945, 40263890, 80527780]

約数ペア:

[(1, 80527780), (2, 40263890), (4, 20131945), (5, 16105556), (10, 8052778), (20, 4026389), (29, 2776820), (58, 1388410), (116, 694205), (145, 555364), (290, 277682), (580, 138841)]