5180000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{37}}^1$

素因数の和:74

約数の個数: 120

約数和(自身を含む): 14957712

約数和(自身を除く): 9777712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 37, 40, 50, 56, 70, 74, 80, 100, 112, 125, 140, 148, 160, 175, 185, 200, 224, 250, 259, 280, 296, 350, 370, 400, 500, 518, 560, 592, 625, 700, 740, 800, 875, 925, 1000, 1036, 1120, 1184, 1250, 1295, 1400, 1480, 1750, 1850, 2000, 2072, 2500, 2590, 2800, 2960, 3500, 3700, 4000, 4144, 4375, 4625, 5000, 5180, 5600, 5920, 6475, 7000, 7400, 8288, 8750, 9250, 10000, 10360, 12950, 14000, 14800, 17500, 18500, 20000, 20720, 23125, 25900, 28000, 29600, 32375, 35000, 37000, 41440, 46250, 51800, 64750, 70000, 74000, 92500, 103600, 129500, 140000, 148000, 161875, 185000, 207200, 259000, 323750, 370000, 518000, 647500, 740000, 1036000, 1295000, 2590000, 5180000]

約数ペア:

[(1, 5180000), (2, 2590000), (4, 1295000), (5, 1036000), (7, 740000), (8, 647500), (10, 518000), (14, 370000), (16, 323750), (20, 259000), (25, 207200), (28, 185000), (32, 161875), (35, 148000), (37, 140000), (40, 129500), (50, 103600), (56, 92500), (70, 74000), (74, 70000), (80, 64750), (100, 51800), (112, 46250), (125, 41440), (140, 37000), (148, 35000), (160, 32375), (175, 29600), (185, 28000), (200, 25900), (224, 23125), (250, 20720), (259, 20000), (280, 18500), (296, 17500), (350, 14800), (370, 14000), (400, 12950), (500, 10360), (518, 10000), (560, 9250), (592, 8750), (625, 8288), (700, 7400), (740, 7000), (800, 6475), (875, 5920), (925, 5600), (1000, 5180), (1036, 5000), (1120, 4625), (1184, 4375), (1250, 4144), (1295, 4000), (1400, 3700), (1480, 3500), (1750, 2960), (1850, 2800), (2000, 2590), (2072, 2500)]