68856740

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{4153}}^1$

素因数の和:4991

約数の個数: 24

約数和(自身を含む): 144808440

約数和(自身を除く): 75951700

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 3316, 4145, 4153, 8290, 8306, 16580, 16612, 20765, 41530, 83060, 3442837, 6885674, 13771348, 17214185, 34428370, 68856740]

約数ペア:

[(1, 68856740), (2, 34428370), (4, 17214185), (5, 13771348), (10, 6885674), (20, 3442837), (829, 83060), (1658, 41530), (3316, 20765), (4145, 16612), (4153, 16580), (8290, 8306)]