28069120

素因数分解:

$2^8\times 5^1\times {\mathrm{21929}}^1$

素因数の和:21950

約数の個数: 36

約数和(自身を含む): 67237380

約数和(自身を除く): 39168260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 21929, 43858, 87716, 109645, 175432, 219290, 350864, 438580, 701728, 877160, 1403456, 1754320, 2806912, 3508640, 5613824, 7017280, 14034560, 28069120]

約数ペア:

[(1, 28069120), (2, 14034560), (4, 7017280), (5, 5613824), (8, 3508640), (10, 2806912), (16, 1754320), (20, 1403456), (32, 877160), (40, 701728), (64, 438580), (80, 350864), (128, 219290), (160, 175432), (256, 109645), (320, 87716), (640, 43858), (1280, 21929)]