78433360

素因数分解:

$2^4\times 5^1\times {\mathrm{980417}}^1$

素因数の和:980430

約数の個数: 20

約数和(自身を含む): 182357748

約数和(自身を除く): 103924388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 980417, 1960834, 3921668, 4902085, 7843336, 9804170, 15686672, 19608340, 39216680, 78433360]

約数ペア:

[(1, 78433360), (2, 39216680), (4, 19608340), (5, 15686672), (8, 9804170), (10, 7843336), (16, 4902085), (20, 3921668), (40, 1960834), (80, 980417)]