561280

素因数分解:

$2^7\times 5^1\times {\mathrm{877}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 1343340

約数和(自身を除く): 782060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 877, 1754, 3508, 4385, 7016, 8770, 14032, 17540, 28064, 35080, 56128, 70160, 112256, 140320, 280640, 561280]

約数ペア:

[(1, 561280), (2, 280640), (4, 140320), (5, 112256), (8, 70160), (10, 56128), (16, 35080), (20, 28064), (32, 17540), (40, 14032), (64, 8770), (80, 7016), (128, 4385), (160, 3508), (320, 1754), (640, 877)]