81539270

素因数分解:

$2^1\times 5^1\times {\mathrm{2803}}^1\times {\mathrm{2909}}^1$

素因数の和:5719

約数の個数: 16

約数和(自身を含む): 146873520

約数和(自身を除く): 65334250

約数列:

[1, 2, 5, 10, 2803, 2909, 5606, 5818, 14015, 14545, 28030, 29090, 8153927, 16307854, 40769635, 81539270]

約数ペア:

[(1, 81539270), (2, 40769635), (5, 16307854), (10, 8153927), (2803, 29090), (2909, 28030), (5606, 14545), (5818, 14015)]