47939840

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 128428608

約数和(自身を除く): 80488768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 67, 80, 86, 104, 128, 130, 134, 160, 172, 208, 215, 256, 260, 268, 320, 335, 344, 416, 430, 520, 536, 559, 640, 670, 688, 832, 860, 871, 1040, 1072, 1118, 1280, 1340, 1376, 1664, 1720, 1742, 2080, 2144, 2236, 2680, 2752, 2795, 2881, 3328, 3440, 3484, 4160, 4288, 4355, 4472, 5360, 5504, 5590, 5762, 6880, 6968, 8320, 8576, 8710, 8944, 10720, 11008, 11180, 11524, 13760, 13936, 14405, 16640, 17152, 17420, 17888, 21440, 22360, 23048, 27520, 27872, 28810, 34840, 35776, 37453, 42880, 44720, 46096, 55040, 55744, 57620, 69680, 71552, 74906, 85760, 89440, 92192, 111488, 115240, 139360, 143104, 149812, 178880, 184384, 187265, 222976, 230480, 278720, 299624, 357760, 368768, 374530, 460960, 557440, 599248, 715520, 737536, 749060, 921920, 1114880, 1198496, 1498120, 1843840, 2396992, 2996240, 3687680, 4793984, 5992480, 9587968, 11984960, 23969920, 47939840]

約数ペア:

[(1, 47939840), (2, 23969920), (4, 11984960), (5, 9587968), (8, 5992480), (10, 4793984), (13, 3687680), (16, 2996240), (20, 2396992), (26, 1843840), (32, 1498120), (40, 1198496), (43, 1114880), (52, 921920), (64, 749060), (65, 737536), (67, 715520), (80, 599248), (86, 557440), (104, 460960), (128, 374530), (130, 368768), (134, 357760), (160, 299624), (172, 278720), (208, 230480), (215, 222976), (256, 187265), (260, 184384), (268, 178880), (320, 149812), (335, 143104), (344, 139360), (416, 115240), (430, 111488), (520, 92192), (536, 89440), (559, 85760), (640, 74906), (670, 71552), (688, 69680), (832, 57620), (860, 55744), (871, 55040), (1040, 46096), (1072, 44720), (1118, 42880), (1280, 37453), (1340, 35776), (1376, 34840), (1664, 28810), (1720, 27872), (1742, 27520), (2080, 23048), (2144, 22360), (2236, 21440), (2680, 17888), (2752, 17420), (2795, 17152), (2881, 16640), (3328, 14405), (3440, 13936), (3484, 13760), (4160, 11524), (4288, 11180), (4355, 11008), (4472, 10720), (5360, 8944), (5504, 8710), (5590, 8576), (5762, 8320), (6880, 6968)]