8263040

素因数分解:

$2^7\times 5^1\times {\mathrm{12911}}^1$

素因数の和:12930

約数の個数: 32

約数和(自身を含む): 19755360

約数和(自身を除く): 11492320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12911, 25822, 51644, 64555, 103288, 129110, 206576, 258220, 413152, 516440, 826304, 1032880, 1652608, 2065760, 4131520, 8263040]

約数ペア:

[(1, 8263040), (2, 4131520), (4, 2065760), (5, 1652608), (8, 1032880), (10, 826304), (16, 516440), (20, 413152), (32, 258220), (40, 206576), (64, 129110), (80, 103288), (128, 64555), (160, 51644), (320, 25822), (640, 12911)]