80195764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{20479}}^1$

素因数の和:20583

約数の個数: 24

約数和(自身を含む): 154828800

約数和(自身を除く): 74633036

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 20479, 40958, 81916, 225269, 450538, 901076, 1822631, 3645262, 7290524, 20048941, 40097882, 80195764]

約数ペア:

[(1, 80195764), (2, 40097882), (4, 20048941), (11, 7290524), (22, 3645262), (44, 1822631), (89, 901076), (178, 450538), (356, 225269), (979, 81916), (1958, 40958), (3916, 20479)]