39385520

素因数分解:

$2^4\times 5^1\times {\mathrm{492319}}^1$

素因数の和:492332

約数の個数: 20

約数和(自身を含む): 91571520

約数和(自身を除く): 52186000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 492319, 984638, 1969276, 2461595, 3938552, 4923190, 7877104, 9846380, 19692760, 39385520]

約数ペア:

[(1, 39385520), (2, 19692760), (4, 9846380), (5, 7877104), (8, 4923190), (10, 3938552), (16, 2461595), (20, 1969276), (40, 984638), (80, 492319)]