13309832540

素因数分解:

$2^2\times 5^1\times {\mathrm{665491627}}^1$

素因数の和:665491636

約数の個数: 12

約数和(自身を含む): 27950648376

約数和(自身を除く): 14640815836

約数列:

[1, 2, 4, 5, 10, 20, 665491627, 1330983254, 2661966508, 3327458135, 6654916270, 13309832540]

約数ペア:

[(1, 13309832540), (2, 6654916270), (4, 3327458135), (5, 2661966508), (10, 1330983254), (20, 665491627)]