27821540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{14341}}^1$

素因数の和:14447

約数の個数: 24

約数和(自身を含む): 59031672

約数和(自身を除く): 31210132

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 14341, 28682, 57364, 71705, 143410, 286820, 1391077, 2782154, 5564308, 6955385, 13910770, 27821540]

約数ペア:

[(1, 27821540), (2, 13910770), (4, 6955385), (5, 5564308), (10, 2782154), (20, 1391077), (97, 286820), (194, 143410), (388, 71705), (485, 57364), (970, 28682), (1940, 14341)]