89445640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{23053}}^1$

素因数の和:23161

約数の個数: 32

約数和(自身を含む): 203336280

約数和(自身を除く): 113890640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 23053, 46106, 92212, 115265, 184424, 230530, 461060, 922120, 2236141, 4472282, 8944564, 11180705, 17889128, 22361410, 44722820, 89445640]

約数ペア:

[(1, 89445640), (2, 44722820), (4, 22361410), (5, 17889128), (8, 11180705), (10, 8944564), (20, 4472282), (40, 2236141), (97, 922120), (194, 461060), (388, 230530), (485, 184424), (776, 115265), (970, 92212), (1940, 46106), (3880, 23053)]