51644000

素因数分解:

$2^5\times 5^3\times {\mathrm{12911}}^1$

素因数の和:12936

約数の個数: 48

約数和(自身を含む): 126899136

約数和(自身を除く): 75255136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 12911, 25822, 51644, 64555, 103288, 129110, 206576, 258220, 322775, 413152, 516440, 645550, 1032880, 1291100, 1613875, 2065760, 2582200, 3227750, 5164400, 6455500, 10328800, 12911000, 25822000, 51644000]

約数ペア:

[(1, 51644000), (2, 25822000), (4, 12911000), (5, 10328800), (8, 6455500), (10, 5164400), (16, 3227750), (20, 2582200), (25, 2065760), (32, 1613875), (40, 1291100), (50, 1032880), (80, 645550), (100, 516440), (125, 413152), (160, 322775), (200, 258220), (250, 206576), (400, 129110), (500, 103288), (800, 64555), (1000, 51644), (2000, 25822), (4000, 12911)]