2558860

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1319}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 5433120

約数和(自身を除く): 2874260

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1319, 1940, 2638, 5276, 6595, 13190, 26380, 127943, 255886, 511772, 639715, 1279430, 2558860]

約数ペア:

[(1, 2558860), (2, 1279430), (4, 639715), (5, 511772), (10, 255886), (20, 127943), (97, 26380), (194, 13190), (388, 6595), (485, 5276), (970, 2638), (1319, 1940)]