80133680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2221}}^1$

素因数の和:2286

約数の個数: 80

約数和(自身を含む): 208299168

約数和(自身を除く): 128165488

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, 328, 410, 440, 451, 656, 820, 880, 902, 1640, 1804, 2221, 2255, 3280, 3608, 4442, 4510, 7216, 8884, 9020, 11105, 17768, 18040, 22210, 24431, 35536, 36080, 44420, 48862, 88840, 91061, 97724, 122155, 177680, 182122, 195448, 244310, 364244, 390896, 455305, 488620, 728488, 910610, 977240, 1001671, 1456976, 1821220, 1954480, 2003342, 3642440, 4006684, 5008355, 7284880, 8013368, 10016710, 16026736, 20033420, 40066840, 80133680]

約数ペア:

[(1, 80133680), (2, 40066840), (4, 20033420), (5, 16026736), (8, 10016710), (10, 8013368), (11, 7284880), (16, 5008355), (20, 4006684), (22, 3642440), (40, 2003342), (41, 1954480), (44, 1821220), (55, 1456976), (80, 1001671), (82, 977240), (88, 910610), (110, 728488), (164, 488620), (176, 455305), (205, 390896), (220, 364244), (328, 244310), (410, 195448), (440, 182122), (451, 177680), (656, 122155), (820, 97724), (880, 91061), (902, 88840), (1640, 48862), (1804, 44420), (2221, 36080), (2255, 35536), (3280, 24431), (3608, 22210), (4442, 18040), (4510, 17768), (7216, 11105), (8884, 9020)]