280640

素因数分解:

$2^6\times 5^1\times {\mathrm{877}}^1$

素因数の和:894

約数の個数: 28

約数和(自身を含む): 669036

約数和(自身を除く): 388396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 877, 1754, 3508, 4385, 7016, 8770, 14032, 17540, 28064, 35080, 56128, 70160, 140320, 280640]

約数ペア:

[(1, 280640), (2, 140320), (4, 70160), (5, 56128), (8, 35080), (10, 28064), (16, 17540), (20, 14032), (32, 8770), (40, 7016), (64, 4385), (80, 3508), (160, 1754), (320, 877)]