26856560

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{863}}^1$

素因数の和:1265

約数の個数: 40

約数和(自身を含む): 62674560

約数和(自身を除く): 35818000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 863, 1556, 1726, 1945, 3112, 3452, 3890, 4315, 6224, 6904, 7780, 8630, 13808, 15560, 17260, 31120, 34520, 69040, 335707, 671414, 1342828, 1678535, 2685656, 3357070, 5371312, 6714140, 13428280, 26856560]

約数ペア:

[(1, 26856560), (2, 13428280), (4, 6714140), (5, 5371312), (8, 3357070), (10, 2685656), (16, 1678535), (20, 1342828), (40, 671414), (80, 335707), (389, 69040), (778, 34520), (863, 31120), (1556, 17260), (1726, 15560), (1945, 13808), (3112, 8630), (3452, 7780), (3890, 6904), (4315, 6224)]