640501430015

素因数分解:

$5^1\times {\mathrm{1009}}^1\times {\mathrm{3209}}^1\times {\mathrm{39563}}^1$

素因数の和:43786

約数の個数: 16

約数和(自身を含む): 769622666400

約数和(自身を除く): 129121236385

約数列:

[1, 5, 1009, 3209, 5045, 16045, 39563, 197815, 3237881, 16189405, 39919067, 126957667, 199595335, 634788335, 128100286003, 640501430015]

約数ペア:

[(1, 640501430015), (5, 128100286003), (1009, 634788335), (3209, 199595335), (5045, 126957667), (16045, 39919067), (39563, 16189405), (197815, 3237881)]