66560240

素因数分解:

$2^4\times 5^1\times {\mathrm{832003}}^1$

素因数の和:832016

約数の個数: 20

約数和(自身を含む): 154752744

約数和(自身を除く): 88192504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 832003, 1664006, 3328012, 4160015, 6656024, 8320030, 13312048, 16640060, 33280120, 66560240]

約数ペア:

[(1, 66560240), (2, 33280120), (4, 16640060), (5, 13312048), (8, 8320030), (10, 6656024), (16, 4160015), (20, 3328012), (40, 1664006), (80, 832003)]