340320440

素因数分解:

$2^3\times 5^1\times {\mathrm{8508011}}^1$

素因数の和:8508022

約数の個数: 16

約数和(自身を含む): 765721080

約数和(自身を除く): 425400640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8508011, 17016022, 34032044, 42540055, 68064088, 85080110, 170160220, 340320440]

約数ペア:

[(1, 340320440), (2, 170160220), (4, 85080110), (5, 68064088), (8, 42540055), (10, 34032044), (20, 17016022), (40, 8508011)]