61931080

素因数分解:

$2^3\times 5^1\times {\mathrm{1548277}}^1$

素因数の和:1548288

約数の個数: 16

約数和(自身を含む): 139345020

約数和(自身を除く): 77413940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1548277, 3096554, 6193108, 7741385, 12386216, 15482770, 30965540, 61931080]

約数ペア:

[(1, 61931080), (2, 30965540), (4, 15482770), (5, 12386216), (8, 7741385), (10, 6193108), (20, 3096554), (40, 1548277)]