51550400

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:163

約数の個数: 168

約数和(自身を含む): 144566640

約数和(自身を除く): 93016240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 29, 32, 40, 44, 50, 55, 58, 64, 80, 88, 100, 101, 110, 116, 145, 160, 176, 200, 202, 220, 232, 275, 290, 319, 320, 352, 400, 404, 440, 464, 505, 550, 580, 638, 704, 725, 800, 808, 880, 928, 1010, 1100, 1111, 1160, 1276, 1450, 1595, 1600, 1616, 1760, 1856, 2020, 2200, 2222, 2320, 2525, 2552, 2900, 2929, 3190, 3232, 3520, 4040, 4400, 4444, 4640, 5050, 5104, 5555, 5800, 5858, 6380, 6464, 7975, 8080, 8800, 8888, 9280, 10100, 10208, 11110, 11600, 11716, 12760, 14645, 15950, 16160, 17600, 17776, 20200, 20416, 22220, 23200, 23432, 25520, 27775, 29290, 31900, 32219, 32320, 35552, 40400, 44440, 46400, 46864, 51040, 55550, 58580, 63800, 64438, 71104, 73225, 80800, 88880, 93728, 102080, 111100, 117160, 127600, 128876, 146450, 161095, 161600, 177760, 187456, 222200, 234320, 255200, 257752, 292900, 322190, 355520, 444400, 468640, 510400, 515504, 585800, 644380, 805475, 888800, 937280, 1031008, 1171600, 1288760, 1610950, 1777600, 2062016, 2343200, 2577520, 3221900, 4686400, 5155040, 6443800, 10310080, 12887600, 25775200, 51550400]

約数ペア:

[(1, 51550400), (2, 25775200), (4, 12887600), (5, 10310080), (8, 6443800), (10, 5155040), (11, 4686400), (16, 3221900), (20, 2577520), (22, 2343200), (25, 2062016), (29, 1777600), (32, 1610950), (40, 1288760), (44, 1171600), (50, 1031008), (55, 937280), (58, 888800), (64, 805475), (80, 644380), (88, 585800), (100, 515504), (101, 510400), (110, 468640), (116, 444400), (145, 355520), (160, 322190), (176, 292900), (200, 257752), (202, 255200), (220, 234320), (232, 222200), (275, 187456), (290, 177760), (319, 161600), (320, 161095), (352, 146450), (400, 128876), (404, 127600), (440, 117160), (464, 111100), (505, 102080), (550, 93728), (580, 88880), (638, 80800), (704, 73225), (725, 71104), (800, 64438), (808, 63800), (880, 58580), (928, 55550), (1010, 51040), (1100, 46864), (1111, 46400), (1160, 44440), (1276, 40400), (1450, 35552), (1595, 32320), (1600, 32219), (1616, 31900), (1760, 29290), (1856, 27775), (2020, 25520), (2200, 23432), (2222, 23200), (2320, 22220), (2525, 20416), (2552, 20200), (2900, 17776), (2929, 17600), (3190, 16160), (3232, 15950), (3520, 14645), (4040, 12760), (4400, 11716), (4444, 11600), (4640, 11110), (5050, 10208), (5104, 10100), (5555, 9280), (5800, 8888), (5858, 8800), (6380, 8080), (6464, 7975)]