16828580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{10651}}^1$

素因数の和:10739

約数の個数: 24

約数和(自身を含む): 35790720

約数和(自身を除く): 18962140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 10651, 21302, 42604, 53255, 106510, 213020, 841429, 1682858, 3365716, 4207145, 8414290, 16828580]

約数ペア:

[(1, 16828580), (2, 8414290), (4, 4207145), (5, 3365716), (10, 1682858), (20, 841429), (79, 213020), (158, 106510), (316, 53255), (395, 42604), (790, 21302), (1580, 10651)]