208032880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21491}}^1$

素因数の和:21526

約数の個数: 60

約数和(自身を含む): 531669096

約数和(自身を除く): 323636216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 21491, 42982, 85964, 107455, 171928, 214910, 236401, 343856, 429820, 472802, 859640, 945604, 1182005, 1719280, 1891208, 2364010, 2600411, 3782416, 4728020, 5200822, 9456040, 10401644, 13002055, 18912080, 20803288, 26004110, 41606576, 52008220, 104016440, 208032880]

約数ペア:

[(1, 208032880), (2, 104016440), (4, 52008220), (5, 41606576), (8, 26004110), (10, 20803288), (11, 18912080), (16, 13002055), (20, 10401644), (22, 9456040), (40, 5200822), (44, 4728020), (55, 3782416), (80, 2600411), (88, 2364010), (110, 1891208), (121, 1719280), (176, 1182005), (220, 945604), (242, 859640), (440, 472802), (484, 429820), (605, 343856), (880, 236401), (968, 214910), (1210, 171928), (1936, 107455), (2420, 85964), (4840, 42982), (9680, 21491)]