38538640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{68819}}^1$

素因数の和:68839

約数の個数: 40

約数和(自身を含む): 102404160

約数和(自身を除く): 63865520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 68819, 137638, 275276, 344095, 481733, 550552, 688190, 963466, 1101104, 1376380, 1926932, 2408665, 2752760, 3853864, 4817330, 5505520, 7707728, 9634660, 19269320, 38538640]

約数ペア:

[(1, 38538640), (2, 19269320), (4, 9634660), (5, 7707728), (7, 5505520), (8, 4817330), (10, 3853864), (14, 2752760), (16, 2408665), (20, 1926932), (28, 1376380), (35, 1101104), (40, 963466), (56, 688190), (70, 550552), (80, 481733), (112, 344095), (140, 275276), (280, 137638), (560, 68819)]