12456740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6421}}^1$

素因数の和:6527

約数の個数: 24

約数和(自身を含む): 26432952

約数和(自身を除く): 13976212

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 6421, 12842, 25684, 32105, 64210, 128420, 622837, 1245674, 2491348, 3114185, 6228370, 12456740]

約数ペア:

[(1, 12456740), (2, 6228370), (4, 3114185), (5, 2491348), (10, 1245674), (20, 622837), (97, 128420), (194, 64210), (388, 32105), (485, 25684), (970, 12842), (1940, 6421)]