129330160

素因数分解:

$2^4\times 5^1\times {\mathrm{1616627}}^1$

素因数の和:1616640

約数の個数: 20

約数和(自身を含む): 300692808

約数和(自身を除く): 171362648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1616627, 3233254, 6466508, 8083135, 12933016, 16166270, 25866032, 32332540, 64665080, 129330160]

約数ペア:

[(1, 129330160), (2, 64665080), (4, 32332540), (5, 25866032), (8, 16166270), (10, 12933016), (16, 8083135), (20, 6466508), (40, 3233254), (80, 1616627)]