12305420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6343}}^1$

素因数の和:6449

約数の個数: 24

約数和(自身を含む): 26111904

約数和(自身を除く): 13806484

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 6343, 12686, 25372, 31715, 63430, 126860, 615271, 1230542, 2461084, 3076355, 6152710, 12305420]

約数ペア:

[(1, 12305420), (2, 6152710), (4, 3076355), (5, 2461084), (10, 1230542), (20, 615271), (97, 126860), (194, 63430), (388, 31715), (485, 25372), (970, 12686), (1940, 6343)]