123485260

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{31991}}^1$

素因数の和:32193

約数の個数: 24

約数和(自身を含む): 260670816

約数和(自身を除く): 137185556

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 31991, 63982, 127964, 159955, 319910, 639820, 6174263, 12348526, 24697052, 30871315, 61742630, 123485260]

約数ペア:

[(1, 123485260), (2, 61742630), (4, 30871315), (5, 24697052), (10, 12348526), (20, 6174263), (193, 639820), (386, 319910), (772, 159955), (965, 127964), (1930, 63982), (3860, 31991)]