8270000

素因数分解:

$2^4\times 5^4\times {\mathrm{827}}^1$

素因数の和:855

約数の個数: 50

約数和(自身を含む): 20046708

約数和(自身を除く): 11776708

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 827, 1000, 1250, 1654, 2000, 2500, 3308, 4135, 5000, 6616, 8270, 10000, 13232, 16540, 20675, 33080, 41350, 66160, 82700, 103375, 165400, 206750, 330800, 413500, 516875, 827000, 1033750, 1654000, 2067500, 4135000, 8270000]

約数ペア:

[(1, 8270000), (2, 4135000), (4, 2067500), (5, 1654000), (8, 1033750), (10, 827000), (16, 516875), (20, 413500), (25, 330800), (40, 206750), (50, 165400), (80, 103375), (100, 82700), (125, 66160), (200, 41350), (250, 33080), (400, 20675), (500, 16540), (625, 13232), (827, 10000), (1000, 8270), (1250, 6616), (1654, 5000), (2000, 4135), (2500, 3308)]