40891880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21751}}^1$

素因数の和:21809

約数の個数: 32

約数和(自身を含む): 93968640

約数和(自身を除く): 53076760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 21751, 43502, 87004, 108755, 174008, 217510, 435020, 870040, 1022297, 2044594, 4089188, 5111485, 8178376, 10222970, 20445940, 40891880]

約数ペア:

[(1, 40891880), (2, 20445940), (4, 10222970), (5, 8178376), (8, 5111485), (10, 4089188), (20, 2044594), (40, 1022297), (47, 870040), (94, 435020), (188, 217510), (235, 174008), (376, 108755), (470, 87004), (940, 43502), (1880, 21751)]