2086400660

素因数分解:

$2^2\times 5^1\times {\mathrm{104320033}}^1$

素因数の和:104320042

約数の個数: 12

約数和(自身を含む): 4381441428

約数和(自身を除く): 2295040768

約数列:

[1, 2, 4, 5, 10, 20, 104320033, 208640066, 417280132, 521600165, 1043200330, 2086400660]

約数ペア:

[(1, 2086400660), (2, 1043200330), (4, 521600165), (5, 417280132), (10, 208640066), (20, 104320033)]