8414800

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:320

約数の個数: 60

約数和(自身を含む): 20507740

約数和(自身を除く): 12092940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 193, 200, 218, 386, 400, 436, 545, 772, 872, 965, 1090, 1544, 1744, 1930, 2180, 2725, 3088, 3860, 4360, 4825, 5450, 7720, 8720, 9650, 10900, 15440, 19300, 21037, 21800, 38600, 42074, 43600, 77200, 84148, 105185, 168296, 210370, 336592, 420740, 525925, 841480, 1051850, 1682960, 2103700, 4207400, 8414800]

約数ペア:

[(1, 8414800), (2, 4207400), (4, 2103700), (5, 1682960), (8, 1051850), (10, 841480), (16, 525925), (20, 420740), (25, 336592), (40, 210370), (50, 168296), (80, 105185), (100, 84148), (109, 77200), (193, 43600), (200, 42074), (218, 38600), (386, 21800), (400, 21037), (436, 19300), (545, 15440), (772, 10900), (872, 9650), (965, 8720), (1090, 7720), (1544, 5450), (1744, 4825), (1930, 4360), (2180, 3860), (2725, 3088)]