28920004345

素因数分解:

$5^1\times {\mathrm{199}}^1\times {\mathrm{1091}}^1\times {\mathrm{26641}}^1$

素因数の和:27936

約数の個数: 16

約数和(自身を含む): 34911676800

約数和(自身を除く): 5991672455

約数列:

[1, 5, 199, 995, 1091, 5455, 26641, 133205, 217109, 1085545, 5301559, 26507795, 29065331, 145326655, 5784000869, 28920004345]

約数ペア:

[(1, 28920004345), (5, 5784000869), (199, 145326655), (995, 29065331), (1091, 26507795), (5455, 5301559), (26641, 1085545), (133205, 217109)]