11984960

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 112

約数和(自身を含む): 31918656

約数和(自身を除く): 19933696

約数列:

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

約数ペア:

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