520712684080

素因数分解:

$2^4\times 5^1\times {\mathrm{6508908551}}^1$

素因数の和:6508908564

約数の個数: 20

約数和(自身を含む): 1210656990672

約数和(自身を除く): 689944306592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6508908551, 13017817102, 26035634204, 32544542755, 52071268408, 65089085510, 104142536816, 130178171020, 260356342040, 520712684080]

約数ペア:

[(1, 520712684080), (2, 260356342040), (4, 130178171020), (5, 104142536816), (8, 65089085510), (10, 52071268408), (16, 32544542755), (20, 26035634204), (40, 13017817102), (80, 6508908551)]