80453320

素因数分解:

$2^3\times 5^1\times {\mathrm{2011333}}^1$

素因数の和:2011344

約数の個数: 16

約数和(自身を含む): 181020060

約数和(自身を除く): 100566740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2011333, 4022666, 8045332, 10056665, 16090664, 20113330, 40226660, 80453320]

約数ペア:

[(1, 80453320), (2, 40226660), (4, 20113330), (5, 16090664), (8, 10056665), (10, 8045332), (20, 4022666), (40, 2011333)]