28200440

素因数分解:

$2^3\times 5^1\times {\mathrm{705011}}^1$

素因数の和:705022

約数の個数: 16

約数和(自身を含む): 63451080

約数和(自身を除く): 35250640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 705011, 1410022, 2820044, 3525055, 5640088, 7050110, 14100220, 28200440]

約数ペア:

[(1, 28200440), (2, 14100220), (4, 7050110), (5, 5640088), (8, 3525055), (10, 2820044), (20, 1410022), (40, 705011)]