9720440

素因数分解:

$2^3\times 5^1\times {\mathrm{243011}}^1$

素因数の和:243022

約数の個数: 16

約数和(自身を含む): 21871080

約数和(自身を除く): 12150640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 243011, 486022, 972044, 1215055, 1944088, 2430110, 4860220, 9720440]

約数ペア:

[(1, 9720440), (2, 4860220), (4, 2430110), (5, 1944088), (8, 1215055), (10, 972044), (20, 486022), (40, 243011)]