56219920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 136509120

約数和(自身を除く): 80289200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 59, 80, 86, 118, 172, 215, 236, 277, 295, 344, 430, 472, 554, 590, 688, 860, 944, 1108, 1180, 1385, 1720, 2216, 2360, 2537, 2770, 3440, 4432, 4720, 5074, 5540, 10148, 11080, 11911, 12685, 16343, 20296, 22160, 23822, 25370, 32686, 40592, 47644, 50740, 59555, 65372, 81715, 95288, 101480, 119110, 130744, 163430, 190576, 202960, 238220, 261488, 326860, 476440, 653720, 702749, 952880, 1307440, 1405498, 2810996, 3513745, 5621992, 7027490, 11243984, 14054980, 28109960, 56219920]

約数ペア:

[(1, 56219920), (2, 28109960), (4, 14054980), (5, 11243984), (8, 7027490), (10, 5621992), (16, 3513745), (20, 2810996), (40, 1405498), (43, 1307440), (59, 952880), (80, 702749), (86, 653720), (118, 476440), (172, 326860), (215, 261488), (236, 238220), (277, 202960), (295, 190576), (344, 163430), (430, 130744), (472, 119110), (554, 101480), (590, 95288), (688, 81715), (860, 65372), (944, 59555), (1108, 50740), (1180, 47644), (1385, 40592), (1720, 32686), (2216, 25370), (2360, 23822), (2537, 22160), (2770, 20296), (3440, 16343), (4432, 12685), (4720, 11911), (5074, 11080), (5540, 10148)]