18028600

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{827}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 42352200

約数和(自身を除く): 24323600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 436, 545, 827, 872, 1090, 1654, 2180, 2725, 3308, 4135, 4360, 5450, 6616, 8270, 10900, 16540, 20675, 21800, 33080, 41350, 82700, 90143, 165400, 180286, 360572, 450715, 721144, 901430, 1802860, 2253575, 3605720, 4507150, 9014300, 18028600]

約数ペア:

[(1, 18028600), (2, 9014300), (4, 4507150), (5, 3605720), (8, 2253575), (10, 1802860), (20, 901430), (25, 721144), (40, 450715), (50, 360572), (100, 180286), (109, 165400), (200, 90143), (218, 82700), (436, 41350), (545, 33080), (827, 21800), (872, 20675), (1090, 16540), (1654, 10900), (2180, 8270), (2725, 6616), (3308, 5450), (4135, 4360)]