81226180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{580187}}^1$

素因数の和:580203

約数の個数: 24

約数和(自身を含む): 194943168

約数和(自身を除く): 113716988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 580187, 1160374, 2320748, 2900935, 4061309, 5801870, 8122618, 11603740, 16245236, 20306545, 40613090, 81226180]

約数ペア:

[(1, 81226180), (2, 40613090), (4, 20306545), (5, 16245236), (7, 11603740), (10, 8122618), (14, 5801870), (20, 4061309), (28, 2900935), (35, 2320748), (70, 1160374), (140, 580187)]