25623040

素因数分解:

$2^9\times 5^1\times {\mathrm{10009}}^1$

素因数の和:10032

約数の個数: 40

約数和(自身を含む): 61441380

約数和(自身を除く): 35818340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 10009, 20018, 40036, 50045, 80072, 100090, 160144, 200180, 320288, 400360, 640576, 800720, 1281152, 1601440, 2562304, 3202880, 5124608, 6405760, 12811520, 25623040]

約数ペア:

[(1, 25623040), (2, 12811520), (4, 6405760), (5, 5124608), (8, 3202880), (10, 2562304), (16, 1601440), (20, 1281152), (32, 800720), (40, 640576), (64, 400360), (80, 320288), (128, 200180), (160, 160144), (256, 100090), (320, 80072), (512, 50045), (640, 40036), (1280, 20018), (2560, 10009)]