2057600

素因数分解:

$2^7\times 5^2\times {\mathrm{643}}^1$

素因数の和:667

約数の個数: 48

約数和(自身を含む): 5090820

約数和(自身を除く): 3033220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 643, 800, 1286, 1600, 2572, 3200, 3215, 5144, 6430, 10288, 12860, 16075, 20576, 25720, 32150, 41152, 51440, 64300, 82304, 102880, 128600, 205760, 257200, 411520, 514400, 1028800, 2057600]

約数ペア:

[(1, 2057600), (2, 1028800), (4, 514400), (5, 411520), (8, 257200), (10, 205760), (16, 128600), (20, 102880), (25, 82304), (32, 64300), (40, 51440), (50, 41152), (64, 32150), (80, 25720), (100, 20576), (128, 16075), (160, 12860), (200, 10288), (320, 6430), (400, 5144), (640, 3215), (643, 3200), (800, 2572), (1286, 1600)]