78904640

素因数分解:

$2^6\times 5^1\times {\mathrm{246577}}^1$

素因数の和:246594

約数の個数: 28

約数和(自身を含む): 187892436

約数和(自身を除く): 108987796

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 246577, 493154, 986308, 1232885, 1972616, 2465770, 3945232, 4931540, 7890464, 9863080, 15780928, 19726160, 39452320, 78904640]

約数ペア:

[(1, 78904640), (2, 39452320), (4, 19726160), (5, 15780928), (8, 9863080), (10, 7890464), (16, 4931540), (20, 3945232), (32, 2465770), (40, 1972616), (64, 1232885), (80, 986308), (160, 493154), (320, 246577)]