38870492020

素因数分解:

$2^2\times 5^1\times {\mathrm{1943524601}}^1$

素因数の和:1943524610

約数の個数: 12

約数和(自身を含む): 81628033284

約数和(自身を除く): 42757541264

約数列:

[1, 2, 4, 5, 10, 20, 1943524601, 3887049202, 7774098404, 9717623005, 19435246010, 38870492020]

約数ペア:

[(1, 38870492020), (2, 19435246010), (4, 9717623005), (5, 7774098404), (10, 3887049202), (20, 1943524601)]