40403440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{937}}^1$

素因数の和:975

約数の個数: 120

約数和(自身を含む): 119336112

約数和(自身を除く): 78932672

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 937, 980, 1078, 1232, 1540, 1874, 1960, 2156, 2695, 3080, 3748, 3920, 4312, 4685, 5390, 6160, 6559, 7496, 8624, 9370, 10307, 10780, 13118, 14992, 18740, 20614, 21560, 26236, 32795, 37480, 41228, 43120, 45913, 51535, 52472, 65590, 72149, 74960, 82456, 91826, 103070, 104944, 131180, 144298, 164912, 183652, 206140, 229565, 262360, 288596, 360745, 367304, 412280, 459130, 505043, 524720, 577192, 721490, 734608, 824560, 918260, 1010086, 1154384, 1442980, 1836520, 2020172, 2525215, 2885960, 3673040, 4040344, 5050430, 5771920, 8080688, 10100860, 20201720, 40403440]

約数ペア:

[(1, 40403440), (2, 20201720), (4, 10100860), (5, 8080688), (7, 5771920), (8, 5050430), (10, 4040344), (11, 3673040), (14, 2885960), (16, 2525215), (20, 2020172), (22, 1836520), (28, 1442980), (35, 1154384), (40, 1010086), (44, 918260), (49, 824560), (55, 734608), (56, 721490), (70, 577192), (77, 524720), (80, 505043), (88, 459130), (98, 412280), (110, 367304), (112, 360745), (140, 288596), (154, 262360), (176, 229565), (196, 206140), (220, 183652), (245, 164912), (280, 144298), (308, 131180), (385, 104944), (392, 103070), (440, 91826), (490, 82456), (539, 74960), (560, 72149), (616, 65590), (770, 52472), (784, 51535), (880, 45913), (937, 43120), (980, 41228), (1078, 37480), (1232, 32795), (1540, 26236), (1874, 21560), (1960, 20614), (2156, 18740), (2695, 14992), (3080, 13118), (3748, 10780), (3920, 10307), (4312, 9370), (4685, 8624), (5390, 7496), (6160, 6559)]