25105540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{12941}}^1$

素因数の和:13047

約数の個数: 24

約数和(自身を含む): 53269272

約数和(自身を除く): 28163732

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 12941, 25882, 51764, 64705, 129410, 258820, 1255277, 2510554, 5021108, 6276385, 12552770, 25105540]

約数ペア:

[(1, 25105540), (2, 12552770), (4, 6276385), (5, 5021108), (10, 2510554), (20, 1255277), (97, 258820), (194, 129410), (388, 64705), (485, 51764), (970, 25882), (1940, 12941)]