2572000

素因数分解:

$2^5\times 5^3\times {\mathrm{643}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 6329232

約数和(自身を除く): 3757232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 643, 800, 1000, 1286, 2000, 2572, 3215, 4000, 5144, 6430, 10288, 12860, 16075, 20576, 25720, 32150, 51440, 64300, 80375, 102880, 128600, 160750, 257200, 321500, 514400, 643000, 1286000, 2572000]

約数ペア:

[(1, 2572000), (2, 1286000), (4, 643000), (5, 514400), (8, 321500), (10, 257200), (16, 160750), (20, 128600), (25, 102880), (32, 80375), (40, 64300), (50, 51440), (80, 32150), (100, 25720), (125, 20576), (160, 16075), (200, 12860), (250, 10288), (400, 6430), (500, 5144), (643, 4000), (800, 3215), (1000, 2572), (1286, 2000)]