9992560

素因数分解:

$2^4\times 5^1\times {\mathrm{124907}}^1$

素因数の和:124920

約数の個数: 20

約数和(自身を含む): 23232888

約数和(自身を除く): 13240328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124907, 249814, 499628, 624535, 999256, 1249070, 1998512, 2498140, 4996280, 9992560]

約数ペア:

[(1, 9992560), (2, 4996280), (4, 2498140), (5, 1998512), (8, 1249070), (10, 999256), (16, 624535), (20, 499628), (40, 249814), (80, 124907)]