51012080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1283}}^1$

素因数の和:1374

約数の個数: 80

約数和(自身を含む): 137562624

約数和(自身を除く): 86550544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1283, 1420, 1988, 2485, 2566, 2840, 3976, 4970, 5132, 5680, 6415, 7952, 8981, 9940, 10264, 12830, 17962, 19880, 20528, 25660, 35924, 39760, 44905, 51320, 71848, 89810, 91093, 102640, 143696, 179620, 182186, 359240, 364372, 455465, 637651, 718480, 728744, 910930, 1275302, 1457488, 1821860, 2550604, 3188255, 3643720, 5101208, 6376510, 7287440, 10202416, 12753020, 25506040, 51012080]

約数ペア:

[(1, 51012080), (2, 25506040), (4, 12753020), (5, 10202416), (7, 7287440), (8, 6376510), (10, 5101208), (14, 3643720), (16, 3188255), (20, 2550604), (28, 1821860), (35, 1457488), (40, 1275302), (56, 910930), (70, 728744), (71, 718480), (80, 637651), (112, 455465), (140, 364372), (142, 359240), (280, 182186), (284, 179620), (355, 143696), (497, 102640), (560, 91093), (568, 89810), (710, 71848), (994, 51320), (1136, 44905), (1283, 39760), (1420, 35924), (1988, 25660), (2485, 20528), (2566, 19880), (2840, 17962), (3976, 12830), (4970, 10264), (5132, 9940), (5680, 8981), (6415, 7952)]