2481260

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1279}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 5268480

約数和(自身を除く): 2787220

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1279, 1940, 2558, 5116, 6395, 12790, 25580, 124063, 248126, 496252, 620315, 1240630, 2481260]

約数ペア:

[(1, 2481260), (2, 1240630), (4, 620315), (5, 496252), (10, 248126), (20, 124063), (97, 25580), (194, 12790), (388, 6395), (485, 5116), (970, 2558), (1279, 1940)]