2088680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 5287680

約数和(自身を除く): 3199000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 101, 110, 188, 202, 220, 235, 376, 404, 440, 470, 505, 517, 808, 940, 1010, 1034, 1111, 1880, 2020, 2068, 2222, 2585, 4040, 4136, 4444, 4747, 5170, 5555, 8888, 9494, 10340, 11110, 18988, 20680, 22220, 23735, 37976, 44440, 47470, 52217, 94940, 104434, 189880, 208868, 261085, 417736, 522170, 1044340, 2088680]

約数ペア:

[(1, 2088680), (2, 1044340), (4, 522170), (5, 417736), (8, 261085), (10, 208868), (11, 189880), (20, 104434), (22, 94940), (40, 52217), (44, 47470), (47, 44440), (55, 37976), (88, 23735), (94, 22220), (101, 20680), (110, 18988), (188, 11110), (202, 10340), (220, 9494), (235, 8888), (376, 5555), (404, 5170), (440, 4747), (470, 4444), (505, 4136), (517, 4040), (808, 2585), (940, 2222), (1010, 2068), (1034, 2020), (1111, 1880)]