66776740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{34421}}^1$

素因数の和:34527

約数の個数: 24

約数和(自身を含む): 141680952

約数和(自身を除く): 74904212

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 34421, 68842, 137684, 172105, 344210, 688420, 3338837, 6677674, 13355348, 16694185, 33388370, 66776740]

約数ペア:

[(1, 66776740), (2, 33388370), (4, 16694185), (5, 13355348), (10, 6677674), (20, 3338837), (97, 688420), (194, 344210), (388, 172105), (485, 137684), (970, 68842), (1940, 34421)]