2005109920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:855

約数の個数: 192

約数和(自身を含む): 5444070912

約数和(自身を除く): 3438960992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 41, 44, 55, 74, 80, 82, 88, 110, 148, 160, 164, 176, 185, 205, 220, 296, 328, 352, 370, 407, 410, 440, 451, 592, 656, 740, 751, 814, 820, 880, 902, 1184, 1312, 1480, 1502, 1517, 1628, 1640, 1760, 1804, 2035, 2255, 2960, 3004, 3034, 3256, 3280, 3608, 3755, 4070, 4510, 5920, 6008, 6068, 6512, 6560, 7216, 7510, 7585, 8140, 8261, 9020, 12016, 12136, 13024, 14432, 15020, 15170, 16280, 16522, 16687, 18040, 24032, 24272, 27787, 30040, 30340, 30791, 32560, 33044, 33374, 36080, 41305, 48544, 55574, 60080, 60680, 61582, 65120, 66088, 66748, 72160, 82610, 83435, 111148, 120160, 121360, 123164, 132176, 133496, 138935, 153955, 165220, 166870, 222296, 242720, 246328, 264352, 266992, 277870, 305657, 307910, 330440, 333740, 338701, 444592, 492656, 533984, 555740, 611314, 615820, 660880, 667480, 677402, 889184, 985312, 1111480, 1139267, 1222628, 1231640, 1321760, 1334960, 1354804, 1528285, 1693505, 2222960, 2278534, 2445256, 2463280, 2669920, 2709608, 3056570, 3387010, 4445920, 4557068, 4890512, 4926560, 5419216, 5696335, 6113140, 6774020, 9114136, 9781024, 10838432, 11392670, 12226280, 12531937, 13548040, 18228272, 22785340, 24452560, 25063874, 27096080, 36456544, 45570680, 48905120, 50127748, 54192160, 62659685, 91141360, 100255496, 125319370, 182282720, 200510992, 250638740, 401021984, 501277480, 1002554960, 2005109920]

約数ペア:

[(1, 2005109920), (2, 1002554960), (4, 501277480), (5, 401021984), (8, 250638740), (10, 200510992), (11, 182282720), (16, 125319370), (20, 100255496), (22, 91141360), (32, 62659685), (37, 54192160), (40, 50127748), (41, 48905120), (44, 45570680), (55, 36456544), (74, 27096080), (80, 25063874), (82, 24452560), (88, 22785340), (110, 18228272), (148, 13548040), (160, 12531937), (164, 12226280), (176, 11392670), (185, 10838432), (205, 9781024), (220, 9114136), (296, 6774020), (328, 6113140), (352, 5696335), (370, 5419216), (407, 4926560), (410, 4890512), (440, 4557068), (451, 4445920), (592, 3387010), (656, 3056570), (740, 2709608), (751, 2669920), (814, 2463280), (820, 2445256), (880, 2278534), (902, 2222960), (1184, 1693505), (1312, 1528285), (1480, 1354804), (1502, 1334960), (1517, 1321760), (1628, 1231640), (1640, 1222628), (1760, 1139267), (1804, 1111480), (2035, 985312), (2255, 889184), (2960, 677402), (3004, 667480), (3034, 660880), (3256, 615820), (3280, 611314), (3608, 555740), (3755, 533984), (4070, 492656), (4510, 444592), (5920, 338701), (6008, 333740), (6068, 330440), (6512, 307910), (6560, 305657), (7216, 277870), (7510, 266992), (7585, 264352), (8140, 246328), (8261, 242720), (9020, 222296), (12016, 166870), (12136, 165220), (13024, 153955), (14432, 138935), (15020, 133496), (15170, 132176), (16280, 123164), (16522, 121360), (16687, 120160), (18040, 111148), (24032, 83435), (24272, 82610), (27787, 72160), (30040, 66748), (30340, 66088), (30791, 65120), (32560, 61582), (33044, 60680), (33374, 60080), (36080, 55574), (41305, 48544)]