138936080

素因数分解:

$2^4\times 5^1\times {\mathrm{1736701}}^1$

素因数の和:1736714

約数の個数: 20

約数和(自身を含む): 323026572

約数和(自身を除く): 184090492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1736701, 3473402, 6946804, 8683505, 13893608, 17367010, 27787216, 34734020, 69468040, 138936080]

約数ペア:

[(1, 138936080), (2, 69468040), (4, 34734020), (5, 27787216), (8, 17367010), (10, 13893608), (16, 8683505), (20, 6946804), (40, 3473402), (80, 1736701)]