8045840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 20998656

約数和(自身を除く): 12952816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 223, 328, 410, 440, 446, 451, 656, 820, 880, 892, 902, 1115, 1640, 1784, 1804, 2230, 2255, 2453, 3280, 3568, 3608, 4460, 4510, 4906, 7216, 8920, 9020, 9143, 9812, 12265, 17840, 18040, 18286, 19624, 24530, 36080, 36572, 39248, 45715, 49060, 73144, 91430, 98120, 100573, 146288, 182860, 196240, 201146, 365720, 402292, 502865, 731440, 804584, 1005730, 1609168, 2011460, 4022920, 8045840]

約数ペア:

[(1, 8045840), (2, 4022920), (4, 2011460), (5, 1609168), (8, 1005730), (10, 804584), (11, 731440), (16, 502865), (20, 402292), (22, 365720), (40, 201146), (41, 196240), (44, 182860), (55, 146288), (80, 100573), (82, 98120), (88, 91430), (110, 73144), (164, 49060), (176, 45715), (205, 39248), (220, 36572), (223, 36080), (328, 24530), (410, 19624), (440, 18286), (446, 18040), (451, 17840), (656, 12265), (820, 9812), (880, 9143), (892, 9020), (902, 8920), (1115, 7216), (1640, 4906), (1784, 4510), (1804, 4460), (2230, 3608), (2255, 3568), (2453, 3280)]