8889240020

素因数分解:

$2^2\times 5^1\times {\mathrm{3361}}^1\times {\mathrm{132241}}^1$

素因数の和:135611

約数の個数: 24

約数和(自身を含む): 18673099368

約数和(自身を除く): 9783859348

約数列:

[1, 2, 4, 5, 10, 20, 3361, 6722, 13444, 16805, 33610, 67220, 132241, 264482, 528964, 661205, 1322410, 2644820, 444462001, 888924002, 1777848004, 2222310005, 4444620010, 8889240020]

約数ペア:

[(1, 8889240020), (2, 4444620010), (4, 2222310005), (5, 1777848004), (10, 888924002), (20, 444462001), (3361, 2644820), (6722, 1322410), (13444, 661205), (16805, 528964), (33610, 264482), (67220, 132241)]