25947280

素因数分解:

$2^4\times 5^1\times {\mathrm{324341}}^1$

素因数の和:324354

約数の個数: 20

約数和(自身を含む): 60327612

約数和(自身を除く): 34380332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 324341, 648682, 1297364, 1621705, 2594728, 3243410, 5189456, 6486820, 12973640, 25947280]

約数ペア:

[(1, 25947280), (2, 12973640), (4, 6486820), (5, 5189456), (8, 3243410), (10, 2594728), (16, 1621705), (20, 1297364), (40, 648682), (80, 324341)]