85920440

素因数分解:

$2^3\times 5^1\times {\mathrm{2148011}}^1$

素因数の和:2148022

約数の個数: 16

約数和(自身を含む): 193321080

約数和(自身を除く): 107400640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2148011, 4296022, 8592044, 10740055, 17184088, 21480110, 42960220, 85920440]

約数ペア:

[(1, 85920440), (2, 42960220), (4, 21480110), (5, 17184088), (8, 10740055), (10, 8592044), (20, 4296022), (40, 2148011)]