6388640

素因数分解:

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

素因数の和:39944

約数の個数: 24

約数和(自身を含む): 15093540

約数和(自身を除く): 8704900

約数列:

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

約数ペア:

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