12996820

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2719}}^1$

素因数の和:2967

約数の個数: 24

約数和(自身を含む): 27417600

約数和(自身を除く): 14420780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 2719, 4780, 5438, 10876, 13595, 27190, 54380, 649841, 1299682, 2599364, 3249205, 6498410, 12996820]

約数ペア:

[(1, 12996820), (2, 6498410), (4, 3249205), (5, 2599364), (10, 1299682), (20, 649841), (239, 54380), (478, 27190), (956, 13595), (1195, 10876), (2390, 5438), (2719, 4780)]