61082780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2749}}^1$

素因数の和:2870

約数の個数: 48

約数和(自身を含む): 141372000

約数和(自身を除く): 80289220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 2749, 4444, 5498, 5555, 10996, 11110, 13745, 22220, 27490, 30239, 54980, 60478, 120956, 151195, 277649, 302390, 555298, 604780, 1110596, 1388245, 2776490, 3054139, 5552980, 6108278, 12216556, 15270695, 30541390, 61082780]

約数ペア:

[(1, 61082780), (2, 30541390), (4, 15270695), (5, 12216556), (10, 6108278), (11, 5552980), (20, 3054139), (22, 2776490), (44, 1388245), (55, 1110596), (101, 604780), (110, 555298), (202, 302390), (220, 277649), (404, 151195), (505, 120956), (1010, 60478), (1111, 54980), (2020, 30239), (2222, 27490), (2749, 22220), (4444, 13745), (5498, 11110), (5555, 10996)]