15383740

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2179}}^1$

素因数の和:2541

約数の個数: 24

約数和(自身を含む): 32412240

約数和(自身を除く): 17028500

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 2179, 3530, 4358, 7060, 8716, 10895, 21790, 43580, 769187, 1538374, 3076748, 3845935, 7691870, 15383740]

約数ペア:

[(1, 15383740), (2, 7691870), (4, 3845935), (5, 3076748), (10, 1538374), (20, 769187), (353, 43580), (706, 21790), (1412, 10895), (1765, 8716), (2179, 7060), (3530, 4358)]