51286000

素因数分解:

$2^4\times 5^3\times {\mathrm{25643}}^1$

素因数の和:25666

約数の個数: 40

約数和(自身を含む): 124014384

約数和(自身を除く): 72728384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 25643, 51286, 102572, 128215, 205144, 256430, 410288, 512860, 641075, 1025720, 1282150, 2051440, 2564300, 3205375, 5128600, 6410750, 10257200, 12821500, 25643000, 51286000]

約数ペア:

[(1, 51286000), (2, 25643000), (4, 12821500), (5, 10257200), (8, 6410750), (10, 5128600), (16, 3205375), (20, 2564300), (25, 2051440), (40, 1282150), (50, 1025720), (80, 641075), (100, 512860), (125, 410288), (200, 256430), (250, 205144), (400, 128215), (500, 102572), (1000, 51286), (2000, 25643)]