161140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1151}}^1$

素因数の和:1167

約数の個数: 24

約数和(自身を含む): 387072

約数和(自身を除く): 225932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1151, 2302, 4604, 5755, 8057, 11510, 16114, 23020, 32228, 40285, 80570, 161140]

約数ペア:

[(1, 161140), (2, 80570), (4, 40285), (5, 32228), (7, 23020), (10, 16114), (14, 11510), (20, 8057), (28, 5755), (35, 4604), (70, 2302), (140, 1151)]