12957260

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6679}}^1$

素因数の和:6785

約数の個数: 24

約数和(自身を含む): 27494880

約数和(自身を除く): 14537620

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 6679, 13358, 26716, 33395, 66790, 133580, 647863, 1295726, 2591452, 3239315, 6478630, 12957260]

約数ペア:

[(1, 12957260), (2, 6478630), (4, 3239315), (5, 2591452), (10, 1295726), (20, 647863), (97, 133580), (194, 66790), (388, 33395), (485, 26716), (970, 13358), (1940, 6679)]