51800000

素因数分解:

$2^6\times 5^5\times 7^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 168

約数和(自身を含む): 150802848

約数和(自身を除く): 99002848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 37, 40, 50, 56, 64, 70, 74, 80, 100, 112, 125, 140, 148, 160, 175, 185, 200, 224, 250, 259, 280, 296, 320, 350, 370, 400, 448, 500, 518, 560, 592, 625, 700, 740, 800, 875, 925, 1000, 1036, 1120, 1184, 1250, 1295, 1400, 1480, 1600, 1750, 1850, 2000, 2072, 2240, 2368, 2500, 2590, 2800, 2960, 3125, 3500, 3700, 4000, 4144, 4375, 4625, 5000, 5180, 5600, 5920, 6250, 6475, 7000, 7400, 8000, 8288, 8750, 9250, 10000, 10360, 11200, 11840, 12500, 12950, 14000, 14800, 16576, 17500, 18500, 20000, 20720, 21875, 23125, 25000, 25900, 28000, 29600, 32375, 35000, 37000, 40000, 41440, 43750, 46250, 50000, 51800, 56000, 59200, 64750, 70000, 74000, 82880, 87500, 92500, 100000, 103600, 115625, 129500, 140000, 148000, 161875, 175000, 185000, 200000, 207200, 231250, 259000, 280000, 296000, 323750, 350000, 370000, 414400, 462500, 518000, 647500, 700000, 740000, 809375, 925000, 1036000, 1295000, 1400000, 1480000, 1618750, 1850000, 2072000, 2590000, 3237500, 3700000, 5180000, 6475000, 7400000, 10360000, 12950000, 25900000, 51800000]

約数ペア:

[(1, 51800000), (2, 25900000), (4, 12950000), (5, 10360000), (7, 7400000), (8, 6475000), (10, 5180000), (14, 3700000), (16, 3237500), (20, 2590000), (25, 2072000), (28, 1850000), (32, 1618750), (35, 1480000), (37, 1400000), (40, 1295000), (50, 1036000), (56, 925000), (64, 809375), (70, 740000), (74, 700000), (80, 647500), (100, 518000), (112, 462500), (125, 414400), (140, 370000), (148, 350000), (160, 323750), (175, 296000), (185, 280000), (200, 259000), (224, 231250), (250, 207200), (259, 200000), (280, 185000), (296, 175000), (320, 161875), (350, 148000), (370, 140000), (400, 129500), (448, 115625), (500, 103600), (518, 100000), (560, 92500), (592, 87500), (625, 82880), (700, 74000), (740, 70000), (800, 64750), (875, 59200), (925, 56000), (1000, 51800), (1036, 50000), (1120, 46250), (1184, 43750), (1250, 41440), (1295, 40000), (1400, 37000), (1480, 35000), (1600, 32375), (1750, 29600), (1850, 28000), (2000, 25900), (2072, 25000), (2240, 23125), (2368, 21875), (2500, 20720), (2590, 20000), (2800, 18500), (2960, 17500), (3125, 16576), (3500, 14800), (3700, 14000), (4000, 12950), (4144, 12500), (4375, 11840), (4625, 11200), (5000, 10360), (5180, 10000), (5600, 9250), (5920, 8750), (6250, 8288), (6475, 8000), (7000, 7400)]