38840009620

素因数分解:

$2^2\times 5^1\times {\mathrm{1942000481}}^1$

素因数の和:1942000490

約数の個数: 12

約数和(自身を含む): 81564020244

約数和(自身を除く): 42724010624

約数列:

[1, 2, 4, 5, 10, 20, 1942000481, 3884000962, 7768001924, 9710002405, 19420004810, 38840009620]

約数ペア:

[(1, 38840009620), (2, 19420004810), (4, 9710002405), (5, 7768001924), (10, 3884000962), (20, 1942000481)]