80625940

素因数分解:

$2^2\times 5^1\times {\mathrm{4031297}}^1$

素因数の和:4031306

約数の個数: 12

約数和(自身を含む): 169314516

約数和(自身を除く): 88688576

約数列:

[1, 2, 4, 5, 10, 20, 4031297, 8062594, 16125188, 20156485, 40312970, 80625940]

約数ペア:

[(1, 80625940), (2, 40312970), (4, 20156485), (5, 16125188), (10, 8062594), (20, 4031297)]