28382420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129011}}^1$

素因数の和:129031

約数の個数: 24

約数和(自身を含む): 65022048

約数和(自身を除く): 36639628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 129011, 258022, 516044, 645055, 1290110, 1419121, 2580220, 2838242, 5676484, 7095605, 14191210, 28382420]

約数ペア:

[(1, 28382420), (2, 14191210), (4, 7095605), (5, 5676484), (10, 2838242), (11, 2580220), (20, 1419121), (22, 1290110), (44, 645055), (55, 516044), (110, 258022), (220, 129011)]