13221280

素因数分解:

$2^5\times 5^1\times {\mathrm{82633}}^1$

素因数の和:82648

約数の個数: 24

約数和(自身を含む): 31235652

約数和(自身を除く): 18014372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 82633, 165266, 330532, 413165, 661064, 826330, 1322128, 1652660, 2644256, 3305320, 6610640, 13221280]

約数ペア:

[(1, 13221280), (2, 6610640), (4, 3305320), (5, 2644256), (8, 1652660), (10, 1322128), (16, 826330), (20, 661064), (32, 413165), (40, 330532), (80, 165266), (160, 82633)]