55721080

素因数分解:

$2^3\times 5^1\times {\mathrm{1393027}}^1$

素因数の和:1393038

約数の個数: 16

約数和(自身を含む): 125372520

約数和(自身を除く): 69651440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1393027, 2786054, 5572108, 6965135, 11144216, 13930270, 27860540, 55721080]

約数ペア:

[(1, 55721080), (2, 27860540), (4, 13930270), (5, 11144216), (8, 6965135), (10, 5572108), (20, 2786054), (40, 1393027)]