61977940

素因数分解:

$2^2\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{2371}}^1$

素因数の和:3687

約数の個数: 24

約数和(自身を含む): 130308192

約数和(自身を除く): 68330252

約数列:

[1, 2, 4, 5, 10, 20, 1307, 2371, 2614, 4742, 5228, 6535, 9484, 11855, 13070, 23710, 26140, 47420, 3098897, 6197794, 12395588, 15494485, 30988970, 61977940]

約数ペア:

[(1, 61977940), (2, 30988970), (4, 15494485), (5, 12395588), (10, 6197794), (20, 3098897), (1307, 47420), (2371, 26140), (2614, 23710), (4742, 13070), (5228, 11855), (6535, 9484)]