10990990

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{5209}}^1$

素因数の和:5427

約数の個数: 16

約数和(自身を含む): 19881360

約数和(自身を除く): 8890370

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 5209, 10418, 26045, 52090, 1099099, 2198198, 5495495, 10990990]

約数ペア:

[(1, 10990990), (2, 5495495), (5, 2198198), (10, 1099099), (211, 52090), (422, 26045), (1055, 10418), (2110, 5209)]