17920000

素因数分解:

$2^{12}\times 5^4\times 7^1$

素因数の和:51

約数の個数: 130

約数和(自身を含む): 51177368

約数和(自身を除く): 33257368

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, 1024, 1120, 1250, 1280, 1400, 1600, 1750, 1792, 2000, 2048, 2240, 2500, 2560, 2800, 3200, 3500, 3584, 4000, 4096, 4375, 4480, 5000, 5120, 5600, 6400, 7000, 7168, 8000, 8750, 8960, 10000, 10240, 11200, 12800, 14000, 14336, 16000, 17500, 17920, 20000, 20480, 22400, 25600, 28000, 28672, 32000, 35000, 35840, 40000, 44800, 51200, 56000, 64000, 70000, 71680, 80000, 89600, 102400, 112000, 128000, 140000, 143360, 160000, 179200, 224000, 256000, 280000, 320000, 358400, 448000, 512000, 560000, 640000, 716800, 896000, 1120000, 1280000, 1792000, 2240000, 2560000, 3584000, 4480000, 8960000, 17920000]

約数ペア:

[(1, 17920000), (2, 8960000), (4, 4480000), (5, 3584000), (7, 2560000), (8, 2240000), (10, 1792000), (14, 1280000), (16, 1120000), (20, 896000), (25, 716800), (28, 640000), (32, 560000), (35, 512000), (40, 448000), (50, 358400), (56, 320000), (64, 280000), (70, 256000), (80, 224000), (100, 179200), (112, 160000), (125, 143360), (128, 140000), (140, 128000), (160, 112000), (175, 102400), (200, 89600), (224, 80000), (250, 71680), (256, 70000), (280, 64000), (320, 56000), (350, 51200), (400, 44800), (448, 40000), (500, 35840), (512, 35000), (560, 32000), (625, 28672), (640, 28000), (700, 25600), (800, 22400), (875, 20480), (896, 20000), (1000, 17920), (1024, 17500), (1120, 16000), (1250, 14336), (1280, 14000), (1400, 12800), (1600, 11200), (1750, 10240), (1792, 10000), (2000, 8960), (2048, 8750), (2240, 8000), (2500, 7168), (2560, 7000), (2800, 6400), (3200, 5600), (3500, 5120), (3584, 5000), (4000, 4480), (4096, 4375)]