2647201220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6966319}}^1$

素因数の和:6966347

約数の個数: 24

約数和(自身を含む): 5851708800

約数和(自身を除く): 3204507580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 6966319, 13932638, 27865276, 34831595, 69663190, 132360061, 139326380, 264720122, 529440244, 661800305, 1323600610, 2647201220]

約数ペア:

[(1, 2647201220), (2, 1323600610), (4, 661800305), (5, 529440244), (10, 264720122), (19, 139326380), (20, 132360061), (38, 69663190), (76, 34831595), (95, 27865276), (190, 13932638), (380, 6966319)]