81371090

素因数分解:

$2^1\times 5^1\times {\mathrm{2803}}^1\times {\mathrm{2903}}^1$

素因数の和:5713

約数の個数: 16

約数和(自身を含む): 146570688

約数和(自身を除く): 65199598

約数列:

[1, 2, 5, 10, 2803, 2903, 5606, 5806, 14015, 14515, 28030, 29030, 8137109, 16274218, 40685545, 81371090]

約数ペア:

[(1, 81371090), (2, 40685545), (5, 16274218), (10, 8137109), (2803, 29030), (2903, 28030), (5606, 14515), (5806, 14015)]