8240805220

素因数分解:

$2^2\times 5^1\times {\mathrm{412040261}}^1$

素因数の和:412040270

約数の個数: 12

約数和(自身を含む): 17305691004

約数和(自身を除く): 9064885784

約数列:

[1, 2, 4, 5, 10, 20, 412040261, 824080522, 1648161044, 2060201305, 4120402610, 8240805220]

約数ペア:

[(1, 8240805220), (2, 4120402610), (4, 2060201305), (5, 1648161044), (10, 824080522), (20, 412040261)]