15005020

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1709}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 31600800

約数和(自身を除く): 16595780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1709, 1756, 2195, 3418, 4390, 6836, 8545, 8780, 17090, 34180, 750251, 1500502, 3001004, 3751255, 7502510, 15005020]

約数ペア:

[(1, 15005020), (2, 7502510), (4, 3751255), (5, 3001004), (10, 1500502), (20, 750251), (439, 34180), (878, 17090), (1709, 8780), (1756, 8545), (2195, 6836), (3418, 4390)]