13297520

素因数分解:

$2^4\times 5^1\times {\mathrm{166219}}^1$

素因数の和:166232

約数の個数: 20

約数和(自身を含む): 30916920

約数和(自身を除く): 17619400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 166219, 332438, 664876, 831095, 1329752, 1662190, 2659504, 3324380, 6648760, 13297520]

約数ペア:

[(1, 13297520), (2, 6648760), (4, 3324380), (5, 2659504), (8, 1662190), (10, 1329752), (16, 831095), (20, 664876), (40, 332438), (80, 166219)]