27782740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{14321}}^1$

素因数の和:14427

約数の個数: 24

約数和(自身を含む): 58949352

約数和(自身を除く): 31166612

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 14321, 28642, 57284, 71605, 143210, 286420, 1389137, 2778274, 5556548, 6945685, 13891370, 27782740]

約数ペア:

[(1, 27782740), (2, 13891370), (4, 6945685), (5, 5556548), (10, 2778274), (20, 1389137), (97, 286420), (194, 143210), (388, 71605), (485, 57284), (970, 28642), (1940, 14321)]