42140720

素因数分解:

$2^4\times 5^1\times {\mathrm{526759}}^1$

素因数の和:526772

約数の個数: 20

約数和(自身を含む): 97977360

約数和(自身を除く): 55836640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 526759, 1053518, 2107036, 2633795, 4214072, 5267590, 8428144, 10535180, 21070360, 42140720]

約数ペア:

[(1, 42140720), (2, 21070360), (4, 10535180), (5, 8428144), (8, 5267590), (10, 4214072), (16, 2633795), (20, 2107036), (40, 1053518), (80, 526759)]