11719040

素因数分解:

$2^7\times 5^1\times {\mathrm{18311}}^1$

素因数の和:18330

約数の個数: 32

約数和(自身を含む): 28017360

約数和(自身を除く): 16298320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 18311, 36622, 73244, 91555, 146488, 183110, 292976, 366220, 585952, 732440, 1171904, 1464880, 2343808, 2929760, 5859520, 11719040]

約数ペア:

[(1, 11719040), (2, 5859520), (4, 2929760), (5, 2343808), (8, 1464880), (10, 1171904), (16, 732440), (20, 585952), (32, 366220), (40, 292976), (64, 183110), (80, 146488), (128, 91555), (160, 73244), (320, 36622), (640, 18311)]