78924640

素因数分解:

$2^5\times 5^1\times {\mathrm{493279}}^1$

素因数の和:493294

約数の個数: 24

約数和(自身を含む): 186459840

約数和(自身を除く): 107535200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 493279, 986558, 1973116, 2466395, 3946232, 4932790, 7892464, 9865580, 15784928, 19731160, 39462320, 78924640]

約数ペア:

[(1, 78924640), (2, 39462320), (4, 19731160), (5, 15784928), (8, 9865580), (10, 7892464), (16, 4932790), (20, 3946232), (32, 2466395), (40, 1973116), (80, 986558), (160, 493279)]