42535180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26921}}^1$

素因数の和:27009

約数の個数: 24

約数和(自身を含む): 90457920

約数和(自身を除く): 47922740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 26921, 53842, 107684, 134605, 269210, 538420, 2126759, 4253518, 8507036, 10633795, 21267590, 42535180]

約数ペア:

[(1, 42535180), (2, 21267590), (4, 10633795), (5, 8507036), (10, 4253518), (20, 2126759), (79, 538420), (158, 269210), (316, 134605), (395, 107684), (790, 53842), (1580, 26921)]