6640240

素因数分解:

$2^4\times 5^1\times {\mathrm{83003}}^1$

素因数の和:83016

約数の個数: 20

約数和(自身を含む): 15438744

約数和(自身を除く): 8798504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83003, 166006, 332012, 415015, 664024, 830030, 1328048, 1660060, 3320120, 6640240]

約数ペア:

[(1, 6640240), (2, 3320120), (4, 1660060), (5, 1328048), (8, 830030), (10, 664024), (16, 415015), (20, 332012), (40, 166006), (80, 83003)]