1609872020

素因数分解:

$2^2\times 5^1\times {\mathrm{80493601}}^1$

素因数の和:80493610

約数の個数: 12

約数和(自身を含む): 3380731284

約数和(自身を除く): 1770859264

約数列:

[1, 2, 4, 5, 10, 20, 80493601, 160987202, 321974404, 402468005, 804936010, 1609872020]

約数ペア:

[(1, 1609872020), (2, 804936010), (4, 402468005), (5, 321974404), (10, 160987202), (20, 80493601)]