2020596560

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{1723}}^1$

素因数の和:1980

約数の個数: 80

約数和(自身を含む): 4779176256

約数和(自身を除く): 2758579696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 137, 214, 274, 428, 535, 548, 685, 856, 1070, 1096, 1370, 1712, 1723, 2140, 2192, 2740, 3446, 4280, 5480, 6892, 8560, 8615, 10960, 13784, 14659, 17230, 27568, 29318, 34460, 58636, 68920, 73295, 117272, 137840, 146590, 184361, 234544, 236051, 293180, 368722, 472102, 586360, 737444, 921805, 944204, 1172720, 1180255, 1474888, 1843610, 1888408, 2360510, 2949776, 3687220, 3776816, 4721020, 7374440, 9442040, 14748880, 18884080, 25257457, 50514914, 101029828, 126287285, 202059656, 252574570, 404119312, 505149140, 1010298280, 2020596560]

約数ペア:

[(1, 2020596560), (2, 1010298280), (4, 505149140), (5, 404119312), (8, 252574570), (10, 202059656), (16, 126287285), (20, 101029828), (40, 50514914), (80, 25257457), (107, 18884080), (137, 14748880), (214, 9442040), (274, 7374440), (428, 4721020), (535, 3776816), (548, 3687220), (685, 2949776), (856, 2360510), (1070, 1888408), (1096, 1843610), (1370, 1474888), (1712, 1180255), (1723, 1172720), (2140, 944204), (2192, 921805), (2740, 737444), (3446, 586360), (4280, 472102), (5480, 368722), (6892, 293180), (8560, 236051), (8615, 234544), (10960, 184361), (13784, 146590), (14659, 137840), (17230, 117272), (27568, 73295), (29318, 68920), (34460, 58636)]