49406720

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1$

素因数の和:83

約数の個数: 144

約数和(自身を含む): 134658720

約数和(自身を除く): 85252000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 80, 88, 110, 116, 121, 128, 145, 160, 176, 220, 232, 242, 256, 290, 319, 320, 352, 440, 464, 484, 580, 605, 638, 640, 704, 880, 928, 968, 1160, 1210, 1276, 1280, 1331, 1408, 1595, 1760, 1856, 1936, 2320, 2420, 2552, 2662, 2816, 3190, 3509, 3520, 3712, 3872, 4640, 4840, 5104, 5324, 6380, 6655, 7018, 7040, 7424, 7744, 9280, 9680, 10208, 10648, 12760, 13310, 14036, 14080, 15488, 17545, 18560, 19360, 20416, 21296, 25520, 26620, 28072, 30976, 35090, 37120, 38599, 38720, 40832, 42592, 51040, 53240, 56144, 70180, 77198, 77440, 81664, 85184, 102080, 106480, 112288, 140360, 154396, 154880, 170368, 192995, 204160, 212960, 224576, 280720, 308792, 340736, 385990, 408320, 425920, 449152, 561440, 617584, 771980, 851840, 898304, 1122880, 1235168, 1543960, 1703680, 2245760, 2470336, 3087920, 4491520, 4940672, 6175840, 9881344, 12351680, 24703360, 49406720]

約数ペア:

[(1, 49406720), (2, 24703360), (4, 12351680), (5, 9881344), (8, 6175840), (10, 4940672), (11, 4491520), (16, 3087920), (20, 2470336), (22, 2245760), (29, 1703680), (32, 1543960), (40, 1235168), (44, 1122880), (55, 898304), (58, 851840), (64, 771980), (80, 617584), (88, 561440), (110, 449152), (116, 425920), (121, 408320), (128, 385990), (145, 340736), (160, 308792), (176, 280720), (220, 224576), (232, 212960), (242, 204160), (256, 192995), (290, 170368), (319, 154880), (320, 154396), (352, 140360), (440, 112288), (464, 106480), (484, 102080), (580, 85184), (605, 81664), (638, 77440), (640, 77198), (704, 70180), (880, 56144), (928, 53240), (968, 51040), (1160, 42592), (1210, 40832), (1276, 38720), (1280, 38599), (1331, 37120), (1408, 35090), (1595, 30976), (1760, 28072), (1856, 26620), (1936, 25520), (2320, 21296), (2420, 20416), (2552, 19360), (2662, 18560), (2816, 17545), (3190, 15488), (3509, 14080), (3520, 14036), (3712, 13310), (3872, 12760), (4640, 10648), (4840, 10208), (5104, 9680), (5324, 9280), (6380, 7744), (6655, 7424), (7018, 7040)]