5144000

素因数分解:

$2^6\times 5^3\times {\mathrm{643}}^1$

素因数の和:670

約数の個数: 56

約数和(自身を含む): 12758928

約数和(自身を除く): 7614928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 643, 800, 1000, 1286, 1600, 2000, 2572, 3215, 4000, 5144, 6430, 8000, 10288, 12860, 16075, 20576, 25720, 32150, 41152, 51440, 64300, 80375, 102880, 128600, 160750, 205760, 257200, 321500, 514400, 643000, 1028800, 1286000, 2572000, 5144000]

約数ペア:

[(1, 5144000), (2, 2572000), (4, 1286000), (5, 1028800), (8, 643000), (10, 514400), (16, 321500), (20, 257200), (25, 205760), (32, 160750), (40, 128600), (50, 102880), (64, 80375), (80, 64300), (100, 51440), (125, 41152), (160, 32150), (200, 25720), (250, 20576), (320, 16075), (400, 12860), (500, 10288), (643, 8000), (800, 6430), (1000, 5144), (1286, 4000), (1600, 3215), (2000, 2572)]