23969920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 64088640

約数和(自身を除く): 40118720

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, 260, 268, 320, 335, 344, 416, 430, 520, 536, 559, 640, 670, 688, 832, 860, 871, 1040, 1072, 1118, 1340, 1376, 1664, 1720, 1742, 2080, 2144, 2236, 2680, 2752, 2795, 2881, 3440, 3484, 4160, 4288, 4355, 4472, 5360, 5504, 5590, 5762, 6880, 6968, 8320, 8576, 8710, 8944, 10720, 11180, 11524, 13760, 13936, 14405, 17420, 17888, 21440, 22360, 23048, 27520, 27872, 28810, 34840, 35776, 37453, 42880, 44720, 46096, 55744, 57620, 69680, 71552, 74906, 89440, 92192, 111488, 115240, 139360, 149812, 178880, 184384, 187265, 230480, 278720, 299624, 357760, 368768, 374530, 460960, 557440, 599248, 749060, 921920, 1198496, 1498120, 1843840, 2396992, 2996240, 4793984, 5992480, 11984960, 23969920]

約数ペア:

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