61686140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{75227}}^1$

素因数の和:75277

約数の個数: 24

約数和(自身を含む): 132702192

約数和(自身を除く): 71016052

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 75227, 150454, 300908, 376135, 752270, 1504540, 3084307, 6168614, 12337228, 15421535, 30843070, 61686140]

約数ペア:

[(1, 61686140), (2, 30843070), (4, 15421535), (5, 12337228), (10, 6168614), (20, 3084307), (41, 1504540), (82, 752270), (164, 376135), (205, 300908), (410, 150454), (820, 75227)]