105971920

素因数分解:

$2^4\times 5^1\times {\mathrm{1324649}}^1$

素因数の和:1324662

約数の個数: 20

約数和(自身を含む): 246384900

約数和(自身を除く): 140412980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1324649, 2649298, 5298596, 6623245, 10597192, 13246490, 21194384, 26492980, 52985960, 105971920]

約数ペア:

[(1, 105971920), (2, 52985960), (4, 26492980), (5, 21194384), (8, 13246490), (10, 10597192), (16, 6623245), (20, 5298596), (40, 2649298), (80, 1324649)]