42051920

素因数分解:

$2^4\times 5^1\times {\mathrm{525649}}^1$

素因数の和:525662

約数の個数: 20

約数和(自身を含む): 97770900

約数和(自身を除く): 55718980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 525649, 1051298, 2102596, 2628245, 4205192, 5256490, 8410384, 10512980, 21025960, 42051920]

約数ペア:

[(1, 42051920), (2, 21025960), (4, 10512980), (5, 8410384), (8, 5256490), (10, 4205192), (16, 2628245), (20, 2102596), (40, 1051298), (80, 525649)]