13539280

素因数分解:

$2^4\times 5^1\times {\mathrm{169241}}^1$

素因数の和:169254

約数の個数: 20

約数和(自身を含む): 31479012

約数和(自身を除く): 17939732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 169241, 338482, 676964, 846205, 1353928, 1692410, 2707856, 3384820, 6769640, 13539280]

約数ペア:

[(1, 13539280), (2, 6769640), (4, 3384820), (5, 2707856), (8, 1692410), (10, 1353928), (16, 846205), (20, 676964), (40, 338482), (80, 169241)]