9640840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21911}}^1$

素因数の和:21933

約数の個数: 32

約数和(自身を含む): 23664960

約数和(自身を除く): 14024120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 21911, 43822, 87644, 109555, 175288, 219110, 241021, 438220, 482042, 876440, 964084, 1205105, 1928168, 2410210, 4820420, 9640840]

約数ペア:

[(1, 9640840), (2, 4820420), (4, 2410210), (5, 1928168), (8, 1205105), (10, 964084), (11, 876440), (20, 482042), (22, 438220), (40, 241021), (44, 219110), (55, 175288), (88, 109555), (110, 87644), (220, 43822), (440, 21911)]