56904560

素因数分解:

$2^4\times 5^1\times {\mathrm{711307}}^1$

素因数の和:711320

約数の個数: 20

約数和(自身を含む): 132303288

約数和(自身を除く): 75398728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 711307, 1422614, 2845228, 3556535, 5690456, 7113070, 11380912, 14226140, 28452280, 56904560]

約数ペア:

[(1, 56904560), (2, 28452280), (4, 14226140), (5, 11380912), (8, 7113070), (10, 5690456), (16, 3556535), (20, 2845228), (40, 1422614), (80, 711307)]