72538640

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{12421}}^1$

素因数の和:12507

約数の個数: 40

約数和(自身を含む): 170976408

約数和(自身を除く): 98437768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 12421, 24842, 49684, 62105, 99368, 124210, 198736, 248420, 496840, 906733, 993680, 1813466, 3626932, 4533665, 7253864, 9067330, 14507728, 18134660, 36269320, 72538640]

約数ペア:

[(1, 72538640), (2, 36269320), (4, 18134660), (5, 14507728), (8, 9067330), (10, 7253864), (16, 4533665), (20, 3626932), (40, 1813466), (73, 993680), (80, 906733), (146, 496840), (292, 248420), (365, 198736), (584, 124210), (730, 99368), (1168, 62105), (1460, 49684), (2920, 24842), (5840, 12421)]