12777280

素因数分解:

$2^6\times 5^1\times {\mathrm{39929}}^1$

素因数の和:39946

約数の個数: 28

約数和(自身を含む): 30426660

約数和(自身を除く): 17649380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 39929, 79858, 159716, 199645, 319432, 399290, 638864, 798580, 1277728, 1597160, 2555456, 3194320, 6388640, 12777280]

約数ペア:

[(1, 12777280), (2, 6388640), (4, 3194320), (5, 2555456), (8, 1597160), (10, 1277728), (16, 798580), (20, 638864), (32, 399290), (40, 319432), (64, 199645), (80, 159716), (160, 79858), (320, 39929)]