1087666820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{560653}}^1$

素因数の和:560759

約数の個数: 24

約数和(自身を含む): 2307651864

約数和(自身を除く): 1219985044

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 560653, 1121306, 2242612, 2803265, 5606530, 11213060, 54383341, 108766682, 217533364, 271916705, 543833410, 1087666820]

約数ペア:

[(1, 1087666820), (2, 543833410), (4, 271916705), (5, 217533364), (10, 108766682), (20, 54383341), (97, 11213060), (194, 5606530), (388, 2803265), (485, 2242612), (970, 1121306), (1940, 560653)]