54399580

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{13807}}^1$

素因数の和:14013

約数の個数: 24

約数和(自身を含む): 114827328

約数和(自身を除く): 60427748

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 13807, 27614, 55228, 69035, 138070, 276140, 2719979, 5439958, 10879916, 13599895, 27199790, 54399580]

約数ペア:

[(1, 54399580), (2, 27199790), (4, 13599895), (5, 10879916), (10, 5439958), (20, 2719979), (197, 276140), (394, 138070), (788, 69035), (985, 55228), (1970, 27614), (3940, 13807)]