22279760

素因数分解:

$2^4\times 5^1\times {\mathrm{278497}}^1$

素因数の和:278510

約数の個数: 20

約数和(自身を含む): 51800628

約数和(自身を除く): 29520868

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278497, 556994, 1113988, 1392485, 2227976, 2784970, 4455952, 5569940, 11139880, 22279760]

約数ペア:

[(1, 22279760), (2, 11139880), (4, 5569940), (5, 4455952), (8, 2784970), (10, 2227976), (16, 1392485), (20, 1113988), (40, 556994), (80, 278497)]