87678680

素因数分解:

$2^3\times 5^1\times {\mathrm{2191967}}^1$

素因数の和:2191978

約数の個数: 16

約数和(自身を含む): 197277120

約数和(自身を除く): 109598440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2191967, 4383934, 8767868, 10959835, 17535736, 21919670, 43839340, 87678680]

約数ペア:

[(1, 87678680), (2, 43839340), (4, 21919670), (5, 17535736), (8, 10959835), (10, 8767868), (20, 4383934), (40, 2191967)]