21894579080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{49760407}}^1$

素因数の和:49760429

約数の個数: 32

約数和(自身を含む): 53741240640

約数和(自身を除く): 31846661560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 49760407, 99520814, 199041628, 248802035, 398083256, 497604070, 547364477, 995208140, 1094728954, 1990416280, 2189457908, 2736822385, 4378915816, 5473644770, 10947289540, 21894579080]

約数ペア:

[(1, 21894579080), (2, 10947289540), (4, 5473644770), (5, 4378915816), (8, 2736822385), (10, 2189457908), (11, 1990416280), (20, 1094728954), (22, 995208140), (40, 547364477), (44, 497604070), (55, 398083256), (88, 248802035), (110, 199041628), (220, 99520814), (440, 49760407)]