28117540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127807}}^1$

素因数の和:127827

約数の個数: 24

約数和(自身を含む): 64415232

約数和(自身を除く): 36297692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 127807, 255614, 511228, 639035, 1278070, 1405877, 2556140, 2811754, 5623508, 7029385, 14058770, 28117540]

約数ペア:

[(1, 28117540), (2, 14058770), (4, 7029385), (5, 5623508), (10, 2811754), (11, 2556140), (20, 1405877), (22, 1278070), (44, 639035), (55, 511228), (110, 255614), (220, 127807)]