2560778890

素因数分解:

$2^1\times 5^1\times {\mathrm{3691}}^1\times {\mathrm{69379}}^1$

素因数の和:73077

約数の個数: 16

約数和(自身を含む): 4610717280

約数和(自身を除く): 2049938390

約数列:

[1, 2, 5, 10, 3691, 7382, 18455, 36910, 69379, 138758, 346895, 693790, 256077889, 512155778, 1280389445, 2560778890]

約数ペア:

[(1, 2560778890), (2, 1280389445), (5, 512155778), (10, 256077889), (3691, 693790), (7382, 346895), (18455, 138758), (36910, 69379)]