139236080

素因数分解:

$2^4\times 5^1\times {\mathrm{1740451}}^1$

素因数の和:1740464

約数の個数: 20

約数和(自身を含む): 323724072

約数和(自身を除く): 184487992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1740451, 3480902, 6961804, 8702255, 13923608, 17404510, 27847216, 34809020, 69618040, 139236080]

約数ペア:

[(1, 139236080), (2, 69618040), (4, 34809020), (5, 27847216), (8, 17404510), (10, 13923608), (16, 8702255), (20, 6961804), (40, 3480902), (80, 1740451)]