12948640

素因数分解:

$2^5\times 5^1\times {\mathrm{80929}}^1$

素因数の和:80944

約数の個数: 24

約数和(自身を含む): 30591540

約数和(自身を除く): 17642900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 80929, 161858, 323716, 404645, 647432, 809290, 1294864, 1618580, 2589728, 3237160, 6474320, 12948640]

約数ペア:

[(1, 12948640), (2, 6474320), (4, 3237160), (5, 2589728), (8, 1618580), (10, 1294864), (16, 809290), (20, 647432), (32, 404645), (40, 323716), (80, 161858), (160, 80929)]