66783760

素因数分解:

$2^4\times 5^1\times {\mathrm{834797}}^1$

素因数の和:834810

約数の個数: 20

約数和(自身を含む): 155272428

約数和(自身を除く): 88488668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 834797, 1669594, 3339188, 4173985, 6678376, 8347970, 13356752, 16695940, 33391880, 66783760]

約数ペア:

[(1, 66783760), (2, 33391880), (4, 16695940), (5, 13356752), (8, 8347970), (10, 6678376), (16, 4173985), (20, 3339188), (40, 1669594), (80, 834797)]