66079760

素因数分解:

$2^4\times 5^1\times {\mathrm{825997}}^1$

素因数の和:826010

約数の個数: 20

約数和(自身を含む): 153635628

約数和(自身を除く): 87555868

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 825997, 1651994, 3303988, 4129985, 6607976, 8259970, 13215952, 16519940, 33039880, 66079760]

約数ペア:

[(1, 66079760), (2, 33039880), (4, 16519940), (5, 13215952), (8, 8259970), (10, 6607976), (16, 4129985), (20, 3303988), (40, 1651994), (80, 825997)]