51257600

素因数分解:

$2^8\times 5^2\times {\mathrm{8009}}^1$

素因数の和:8035

約数の個数: 54

約数和(自身を含む): 126886410

約数和(自身を除く): 75628810

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, 8009, 16018, 32036, 40045, 64072, 80090, 128144, 160180, 200225, 256288, 320360, 400450, 512576, 640720, 800900, 1025152, 1281440, 1601800, 2050304, 2562880, 3203600, 5125760, 6407200, 10251520, 12814400, 25628800, 51257600]

約数ペア:

[(1, 51257600), (2, 25628800), (4, 12814400), (5, 10251520), (8, 6407200), (10, 5125760), (16, 3203600), (20, 2562880), (25, 2050304), (32, 1601800), (40, 1281440), (50, 1025152), (64, 800900), (80, 640720), (100, 512576), (128, 400450), (160, 320360), (200, 256288), (256, 200225), (320, 160180), (400, 128144), (640, 80090), (800, 64072), (1280, 40045), (1600, 32036), (3200, 16018), (6400, 8009)]