1316080

素因数分解:

$2^4\times 5^1\times {\mathrm{16451}}^1$

素因数の和:16464

約数の個数: 20

約数和(自身を含む): 3060072

約数和(自身を除く): 1743992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16451, 32902, 65804, 82255, 131608, 164510, 263216, 329020, 658040, 1316080]

約数ペア:

[(1, 1316080), (2, 658040), (4, 329020), (5, 263216), (8, 164510), (10, 131608), (16, 82255), (20, 65804), (40, 32902), (80, 16451)]