50801920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 135983232

約数和(自身を除く): 85181312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 71, 80, 86, 104, 128, 130, 142, 160, 172, 208, 215, 256, 260, 284, 320, 344, 355, 416, 430, 520, 559, 568, 640, 688, 710, 832, 860, 923, 1040, 1118, 1136, 1280, 1376, 1420, 1664, 1720, 1846, 2080, 2236, 2272, 2752, 2795, 2840, 3053, 3328, 3440, 3692, 4160, 4472, 4544, 4615, 5504, 5590, 5680, 6106, 6880, 7384, 8320, 8944, 9088, 9230, 11008, 11180, 11360, 12212, 13760, 14768, 15265, 16640, 17888, 18176, 18460, 22360, 22720, 24424, 27520, 29536, 30530, 35776, 36920, 39689, 44720, 45440, 48848, 55040, 59072, 61060, 71552, 73840, 79378, 89440, 90880, 97696, 118144, 122120, 143104, 147680, 158756, 178880, 195392, 198445, 236288, 244240, 295360, 317512, 357760, 390784, 396890, 488480, 590720, 635024, 715520, 781568, 793780, 976960, 1181440, 1270048, 1587560, 1953920, 2540096, 3175120, 3907840, 5080192, 6350240, 10160384, 12700480, 25400960, 50801920]

約数ペア:

[(1, 50801920), (2, 25400960), (4, 12700480), (5, 10160384), (8, 6350240), (10, 5080192), (13, 3907840), (16, 3175120), (20, 2540096), (26, 1953920), (32, 1587560), (40, 1270048), (43, 1181440), (52, 976960), (64, 793780), (65, 781568), (71, 715520), (80, 635024), (86, 590720), (104, 488480), (128, 396890), (130, 390784), (142, 357760), (160, 317512), (172, 295360), (208, 244240), (215, 236288), (256, 198445), (260, 195392), (284, 178880), (320, 158756), (344, 147680), (355, 143104), (416, 122120), (430, 118144), (520, 97696), (559, 90880), (568, 89440), (640, 79378), (688, 73840), (710, 71552), (832, 61060), (860, 59072), (923, 55040), (1040, 48848), (1118, 45440), (1136, 44720), (1280, 39689), (1376, 36920), (1420, 35776), (1664, 30530), (1720, 29536), (1846, 27520), (2080, 24424), (2236, 22720), (2272, 22360), (2752, 18460), (2795, 18176), (2840, 17888), (3053, 16640), (3328, 15265), (3440, 14768), (3692, 13760), (4160, 12212), (4472, 11360), (4544, 11180), (4615, 11008), (5504, 9230), (5590, 9088), (5680, 8944), (6106, 8320), (6880, 7384)]