42131920

素因数分解:

$2^4\times 5^1\times {\mathrm{526649}}^1$

素因数の和:526662

約数の個数: 20

約数和(自身を含む): 97956900

約数和(自身を除く): 55824980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 526649, 1053298, 2106596, 2633245, 4213192, 5266490, 8426384, 10532980, 21065960, 42131920]

約数ペア:

[(1, 42131920), (2, 21065960), (4, 10532980), (5, 8426384), (8, 5266490), (10, 4213192), (16, 2633245), (20, 2106596), (40, 1053298), (80, 526649)]