24639880

素因数分解:

$2^3\times 5^1\times {\mathrm{615997}}^1$

素因数の和:616008

約数の個数: 16

約数和(自身を含む): 55439820

約数和(自身を除く): 30799940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 615997, 1231994, 2463988, 3079985, 4927976, 6159970, 12319940, 24639880]

約数ペア:

[(1, 24639880), (2, 12319940), (4, 6159970), (5, 4927976), (8, 3079985), (10, 2463988), (20, 1231994), (40, 615997)]