56657680

素因数分解:

$2^4\times 5^1\times {\mathrm{708221}}^1$

素因数の和:708234

約数の個数: 20

約数和(自身を含む): 131729292

約数和(自身を除く): 75071612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 708221, 1416442, 2832884, 3541105, 5665768, 7082210, 11331536, 14164420, 28328840, 56657680]

約数ペア:

[(1, 56657680), (2, 28328840), (4, 14164420), (5, 11331536), (8, 7082210), (10, 5665768), (16, 3541105), (20, 2832884), (40, 1416442), (80, 708221)]