39307280

素因数分解:

$2^4\times 5^1\times {\mathrm{491341}}^1$

素因数の和:491354

約数の個数: 20

約数和(自身を含む): 91389612

約数和(自身を除く): 52082332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491341, 982682, 1965364, 2456705, 3930728, 4913410, 7861456, 9826820, 19653640, 39307280]

約数ペア:

[(1, 39307280), (2, 19653640), (4, 9826820), (5, 7861456), (8, 4913410), (10, 3930728), (16, 2456705), (20, 1965364), (40, 982682), (80, 491341)]