38901620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47441}}^1$

素因数の和:47491

約数の個数: 24

約数和(自身を含む): 83687688

約数和(自身を除く): 44786068

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 47441, 94882, 189764, 237205, 474410, 948820, 1945081, 3890162, 7780324, 9725405, 19450810, 38901620]

約数ペア:

[(1, 38901620), (2, 19450810), (4, 9725405), (5, 7780324), (10, 3890162), (20, 1945081), (41, 948820), (82, 474410), (164, 237205), (205, 189764), (410, 94882), (820, 47441)]