25660120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13649}}^1$

素因数の和:13707

約数の個数: 32

約数和(自身を含む): 58968000

約数和(自身を除く): 33307880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 13649, 27298, 54596, 68245, 109192, 136490, 272980, 545960, 641503, 1283006, 2566012, 3207515, 5132024, 6415030, 12830060, 25660120]

約数ペア:

[(1, 25660120), (2, 12830060), (4, 6415030), (5, 5132024), (8, 3207515), (10, 2566012), (20, 1283006), (40, 641503), (47, 545960), (94, 272980), (188, 136490), (235, 109192), (376, 68245), (470, 54596), (940, 27298), (1880, 13649)]