8387920

素因数分解:

$2^4\times 5^1\times {\mathrm{104849}}^1$

素因数の和:104862

約数の個数: 20

約数和(自身を含む): 19502100

約数和(自身を除く): 11114180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 104849, 209698, 419396, 524245, 838792, 1048490, 1677584, 2096980, 4193960, 8387920]

約数ペア:

[(1, 8387920), (2, 4193960), (4, 2096980), (5, 1677584), (8, 1048490), (10, 838792), (16, 524245), (20, 419396), (40, 209698), (80, 104849)]