165824080

素因数分解:

$2^4\times 5^1\times {\mathrm{2072801}}^1$

素因数の和:2072814

約数の個数: 20

約数和(自身を含む): 385541172

約数和(自身を除く): 219717092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2072801, 4145602, 8291204, 10364005, 16582408, 20728010, 33164816, 41456020, 82912040, 165824080]

約数ペア:

[(1, 165824080), (2, 82912040), (4, 41456020), (5, 33164816), (8, 20728010), (10, 16582408), (16, 10364005), (20, 8291204), (40, 4145602), (80, 2072801)]