12287780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19819}}^1$

素因数の和:19859

約数の個数: 24

約数和(自身を含む): 26638080

約数和(自身を除く): 14350300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 19819, 39638, 79276, 99095, 198190, 396380, 614389, 1228778, 2457556, 3071945, 6143890, 12287780]

約数ペア:

[(1, 12287780), (2, 6143890), (4, 3071945), (5, 2457556), (10, 1228778), (20, 614389), (31, 396380), (62, 198190), (124, 99095), (155, 79276), (310, 39638), (620, 19819)]