2128180

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1097}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 4519368

約数和(自身を除く): 2391188

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1097, 1940, 2194, 4388, 5485, 10970, 21940, 106409, 212818, 425636, 532045, 1064090, 2128180]

約数ペア:

[(1, 2128180), (2, 1064090), (4, 532045), (5, 425636), (10, 212818), (20, 106409), (97, 21940), (194, 10970), (388, 5485), (485, 4388), (970, 2194), (1097, 1940)]