85664240

素因数分解:

$2^4\times 5^1\times {\mathrm{1070803}}^1$

素因数の和:1070816

約数の個数: 20

約数和(自身を含む): 199169544

約数和(自身を除く): 113505304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1070803, 2141606, 4283212, 5354015, 8566424, 10708030, 17132848, 21416060, 42832120, 85664240]

約数ペア:

[(1, 85664240), (2, 42832120), (4, 21416060), (5, 17132848), (8, 10708030), (10, 8566424), (16, 5354015), (20, 4283212), (40, 2141606), (80, 1070803)]