12814400

素因数分解:

$2^6\times 5^2\times {\mathrm{8009}}^1$

素因数の和:8031

約数の個数: 42

約数和(自身を含む): 31535370

約数和(自身を除く): 18720970

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 8009, 16018, 32036, 40045, 64072, 80090, 128144, 160180, 200225, 256288, 320360, 400450, 512576, 640720, 800900, 1281440, 1601800, 2562880, 3203600, 6407200, 12814400]

約数ペア:

[(1, 12814400), (2, 6407200), (4, 3203600), (5, 2562880), (8, 1601800), (10, 1281440), (16, 800900), (20, 640720), (25, 512576), (32, 400450), (40, 320360), (50, 256288), (64, 200225), (80, 160180), (100, 128144), (160, 80090), (200, 64072), (320, 40045), (400, 32036), (800, 16018), (1600, 8009)]