320433140

素因数分解:

$2^2\times 5^1\times {\mathrm{2903}}^1\times {\mathrm{5519}}^1$

素因数の和:8431

約数の個数: 24

約数和(自身を含む): 673263360

約数和(自身を除く): 352830220

約数列:

[1, 2, 4, 5, 10, 20, 2903, 5519, 5806, 11038, 11612, 14515, 22076, 27595, 29030, 55190, 58060, 110380, 16021657, 32043314, 64086628, 80108285, 160216570, 320433140]

約数ペア:

[(1, 320433140), (2, 160216570), (4, 80108285), (5, 64086628), (10, 32043314), (20, 16021657), (2903, 110380), (5519, 58060), (5806, 55190), (11038, 29030), (11612, 27595), (14515, 22076)]