5780020

素因数分解:

$2^2\times 5^1\times {\mathrm{289001}}^1$

素因数の和:289010

約数の個数: 12

約数和(自身を含む): 12138084

約数和(自身を除く): 6358064

約数列:

[1, 2, 4, 5, 10, 20, 289001, 578002, 1156004, 1445005, 2890010, 5780020]

約数ペア:

[(1, 5780020), (2, 2890010), (4, 1445005), (5, 1156004), (10, 578002), (20, 289001)]