11200000

素因数分解:

$2^9\times 5^5\times 7^1$

素因数の和:50

約数の個数: 120

約数和(自身を含む): 31966704

約数和(自身を除く): 20766704

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, 512, 560, 625, 640, 700, 800, 875, 896, 1000, 1120, 1250, 1280, 1400, 1600, 1750, 1792, 2000, 2240, 2500, 2560, 2800, 3125, 3200, 3500, 3584, 4000, 4375, 4480, 5000, 5600, 6250, 6400, 7000, 8000, 8750, 8960, 10000, 11200, 12500, 12800, 14000, 16000, 17500, 17920, 20000, 21875, 22400, 25000, 28000, 32000, 35000, 40000, 43750, 44800, 50000, 56000, 64000, 70000, 80000, 87500, 89600, 100000, 112000, 140000, 160000, 175000, 200000, 224000, 280000, 320000, 350000, 400000, 448000, 560000, 700000, 800000, 1120000, 1400000, 1600000, 2240000, 2800000, 5600000, 11200000]

約数ペア:

[(1, 11200000), (2, 5600000), (4, 2800000), (5, 2240000), (7, 1600000), (8, 1400000), (10, 1120000), (14, 800000), (16, 700000), (20, 560000), (25, 448000), (28, 400000), (32, 350000), (35, 320000), (40, 280000), (50, 224000), (56, 200000), (64, 175000), (70, 160000), (80, 140000), (100, 112000), (112, 100000), (125, 89600), (128, 87500), (140, 80000), (160, 70000), (175, 64000), (200, 56000), (224, 50000), (250, 44800), (256, 43750), (280, 40000), (320, 35000), (350, 32000), (400, 28000), (448, 25000), (500, 22400), (512, 21875), (560, 20000), (625, 17920), (640, 17500), (700, 16000), (800, 14000), (875, 12800), (896, 12500), (1000, 11200), (1120, 10000), (1250, 8960), (1280, 8750), (1400, 8000), (1600, 7000), (1750, 6400), (1792, 6250), (2000, 5600), (2240, 5000), (2500, 4480), (2560, 4375), (2800, 4000), (3125, 3584), (3200, 3500)]