387538640

素因数分解:

$2^4\times 5^1\times {\mathrm{4844233}}^1$

素因数の和:4844246

約数の個数: 20

約数和(自身を含む): 901027524

約数和(自身を除く): 513488884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4844233, 9688466, 19376932, 24221165, 38753864, 48442330, 77507728, 96884660, 193769320, 387538640]

約数ペア:

[(1, 387538640), (2, 193769320), (4, 96884660), (5, 77507728), (8, 48442330), (10, 38753864), (16, 24221165), (20, 19376932), (40, 9688466), (80, 4844233)]