80916575

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 104055840

約数和(自身を除く): 23139265

約数列:

[1, 5, 25, 41, 89, 205, 445, 887, 1025, 2225, 3649, 4435, 18245, 22175, 36367, 78943, 91225, 181835, 394715, 909175, 1973575, 3236663, 16183315, 80916575]

約数ペア:

[(1, 80916575), (5, 16183315), (25, 3236663), (41, 1973575), (89, 909175), (205, 394715), (445, 181835), (887, 91225), (1025, 78943), (2225, 36367), (3649, 22175), (4435, 18245)]