13011280

素因数分解:

$2^4\times 5^1\times {\mathrm{162641}}^1$

素因数の和:162654

約数の個数: 20

約数和(自身を含む): 30251412

約数和(自身を除く): 17240132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 162641, 325282, 650564, 813205, 1301128, 1626410, 2602256, 3252820, 6505640, 13011280]

約数ペア:

[(1, 13011280), (2, 6505640), (4, 3252820), (5, 2602256), (8, 1626410), (10, 1301128), (16, 813205), (20, 650564), (40, 325282), (80, 162641)]