5600000

素因数分解:

$2^8\times 5^5\times 7^1$

素因数の和:48

約数の個数: 108

約数和(自身を含む): 15967728

約数和(自身を除く): 10367728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 256, 280, 320, 350, 400, 448, 500, 560, 625, 640, 700, 800, 875, 896, 1000, 1120, 1250, 1280, 1400, 1600, 1750, 1792, 2000, 2240, 2500, 2800, 3125, 3200, 3500, 4000, 4375, 4480, 5000, 5600, 6250, 6400, 7000, 8000, 8750, 8960, 10000, 11200, 12500, 14000, 16000, 17500, 20000, 21875, 22400, 25000, 28000, 32000, 35000, 40000, 43750, 44800, 50000, 56000, 70000, 80000, 87500, 100000, 112000, 140000, 160000, 175000, 200000, 224000, 280000, 350000, 400000, 560000, 700000, 800000, 1120000, 1400000, 2800000, 5600000]

約数ペア:

[(1, 5600000), (2, 2800000), (4, 1400000), (5, 1120000), (7, 800000), (8, 700000), (10, 560000), (14, 400000), (16, 350000), (20, 280000), (25, 224000), (28, 200000), (32, 175000), (35, 160000), (40, 140000), (50, 112000), (56, 100000), (64, 87500), (70, 80000), (80, 70000), (100, 56000), (112, 50000), (125, 44800), (128, 43750), (140, 40000), (160, 35000), (175, 32000), (200, 28000), (224, 25000), (250, 22400), (256, 21875), (280, 20000), (320, 17500), (350, 16000), (400, 14000), (448, 12500), (500, 11200), (560, 10000), (625, 8960), (640, 8750), (700, 8000), (800, 7000), (875, 6400), (896, 6250), (1000, 5600), (1120, 5000), (1250, 4480), (1280, 4375), (1400, 4000), (1600, 3500), (1750, 3200), (1792, 3125), (2000, 2800), (2240, 2500)]