12689090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30949}}^1$

素因数の和:30997

約数の個数: 16

約数和(自身を含む): 23398200

約数和(自身を除く): 10709110

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 30949, 61898, 154745, 309490, 1268909, 2537818, 6344545, 12689090]

約数ペア:

[(1, 12689090), (2, 6344545), (5, 2537818), (10, 1268909), (41, 309490), (82, 154745), (205, 61898), (410, 30949)]