51449600

素因数分解:

$2^8\times 5^2\times {\mathrm{8039}}^1$

素因数の和:8065

約数の個数: 54

約数和(自身を含む): 127361640

約数和(自身を除く): 75912040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 8039, 16078, 32156, 40195, 64312, 80390, 128624, 160780, 200975, 257248, 321560, 401950, 514496, 643120, 803900, 1028992, 1286240, 1607800, 2057984, 2572480, 3215600, 5144960, 6431200, 10289920, 12862400, 25724800, 51449600]

約数ペア:

[(1, 51449600), (2, 25724800), (4, 12862400), (5, 10289920), (8, 6431200), (10, 5144960), (16, 3215600), (20, 2572480), (25, 2057984), (32, 1607800), (40, 1286240), (50, 1028992), (64, 803900), (80, 643120), (100, 514496), (128, 401950), (160, 321560), (200, 257248), (256, 200975), (320, 160780), (400, 128624), (640, 80390), (800, 64312), (1280, 40195), (1600, 32156), (3200, 16078), (6400, 8039)]