2166980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1117}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 4601688

約数和(自身を除く): 2434708

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1117, 1940, 2234, 4468, 5585, 11170, 22340, 108349, 216698, 433396, 541745, 1083490, 2166980]

約数ペア:

[(1, 2166980), (2, 1083490), (4, 541745), (5, 433396), (10, 216698), (20, 108349), (97, 22340), (194, 11170), (388, 5585), (485, 4468), (970, 2234), (1117, 1940)]