51905920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 128

約数和(自身を含む): 138581280

約数和(自身を除く): 86675360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 73, 80, 88, 101, 110, 128, 146, 160, 176, 202, 220, 292, 320, 352, 365, 404, 440, 505, 584, 640, 704, 730, 803, 808, 880, 1010, 1111, 1168, 1408, 1460, 1606, 1616, 1760, 2020, 2222, 2336, 2920, 3212, 3232, 3520, 4015, 4040, 4444, 4672, 5555, 5840, 6424, 6464, 7040, 7373, 8030, 8080, 8888, 9344, 11110, 11680, 12848, 12928, 14746, 16060, 16160, 17776, 22220, 23360, 25696, 29492, 32120, 32320, 35552, 36865, 44440, 46720, 51392, 58984, 64240, 64640, 71104, 73730, 81103, 88880, 102784, 117968, 128480, 142208, 147460, 162206, 177760, 235936, 256960, 294920, 324412, 355520, 405515, 471872, 513920, 589840, 648824, 711040, 811030, 943744, 1179680, 1297648, 1622060, 2359360, 2595296, 3244120, 4718720, 5190592, 6488240, 10381184, 12976480, 25952960, 51905920]

約数ペア:

[(1, 51905920), (2, 25952960), (4, 12976480), (5, 10381184), (8, 6488240), (10, 5190592), (11, 4718720), (16, 3244120), (20, 2595296), (22, 2359360), (32, 1622060), (40, 1297648), (44, 1179680), (55, 943744), (64, 811030), (73, 711040), (80, 648824), (88, 589840), (101, 513920), (110, 471872), (128, 405515), (146, 355520), (160, 324412), (176, 294920), (202, 256960), (220, 235936), (292, 177760), (320, 162206), (352, 147460), (365, 142208), (404, 128480), (440, 117968), (505, 102784), (584, 88880), (640, 81103), (704, 73730), (730, 71104), (803, 64640), (808, 64240), (880, 58984), (1010, 51392), (1111, 46720), (1168, 44440), (1408, 36865), (1460, 35552), (1606, 32320), (1616, 32120), (1760, 29492), (2020, 25696), (2222, 23360), (2336, 22220), (2920, 17776), (3212, 16160), (3232, 16060), (3520, 14746), (4015, 12928), (4040, 12848), (4444, 11680), (4672, 11110), (5555, 9344), (5840, 8888), (6424, 8080), (6464, 8030), (7040, 7373)]