66451520

素因数分解:

$2^6\times 5^1\times {\mathrm{207661}}^1$

素因数の和:207678

約数の個数: 28

約数和(自身を含む): 158238444

約数和(自身を除く): 91786924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 207661, 415322, 830644, 1038305, 1661288, 2076610, 3322576, 4153220, 6645152, 8306440, 13290304, 16612880, 33225760, 66451520]

約数ペア:

[(1, 66451520), (2, 33225760), (4, 16612880), (5, 13290304), (8, 8306440), (10, 6645152), (16, 4153220), (20, 3322576), (32, 2076610), (40, 1661288), (64, 1038305), (80, 830644), (160, 415322), (320, 207661)]