15217640

素因数分解:

$2^3\times 5^1\times {\mathrm{380441}}^1$

素因数の和:380452

約数の個数: 16

約数和(自身を含む): 34239780

約数和(自身を除く): 19022140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 380441, 760882, 1521764, 1902205, 3043528, 3804410, 7608820, 15217640]

約数ペア:

[(1, 15217640), (2, 7608820), (4, 3804410), (5, 3043528), (8, 1902205), (10, 1521764), (20, 760882), (40, 380441)]