67965980

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{7741}}^1$

素因数の和:8189

約数の個数: 24

約数和(自身を含む): 143072160

約数和(自身を除く): 75106180

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 7741, 8780, 15482, 30964, 38705, 77410, 154820, 3398299, 6796598, 13593196, 16991495, 33982990, 67965980]

約数ペア:

[(1, 67965980), (2, 33982990), (4, 16991495), (5, 13593196), (10, 6796598), (20, 3398299), (439, 154820), (878, 77410), (1756, 38705), (2195, 30964), (4390, 15482), (7741, 8780)]