12712820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6553}}^1$

素因数の和:6659

約数の個数: 24

約数和(自身を含む): 26976264

約数和(自身を除く): 14263444

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 6553, 13106, 26212, 32765, 65530, 131060, 635641, 1271282, 2542564, 3178205, 6356410, 12712820]

約数ペア:

[(1, 12712820), (2, 6356410), (4, 3178205), (5, 2542564), (10, 1271282), (20, 635641), (97, 131060), (194, 65530), (388, 32765), (485, 26212), (970, 13106), (1940, 6553)]