80991952

素因数分解:

$2^4\times {\mathrm{1223}}^1\times {\mathrm{4139}}^1$

素因数の和:5370

約数の個数: 20

約数和(自身を含む): 157088160

約数和(自身を除く): 76096208

約数列:

[1, 2, 4, 8, 16, 1223, 2446, 4139, 4892, 8278, 9784, 16556, 19568, 33112, 66224, 5061997, 10123994, 20247988, 40495976, 80991952]

約数ペア:

[(1, 80991952), (2, 40495976), (4, 20247988), (8, 10123994), (16, 5061997), (1223, 66224), (2446, 33112), (4139, 19568), (4892, 16556), (8278, 9784)]