51388660

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{26489}}^1$

素因数の和:26595

約数の個数: 24

約数和(自身を含む): 109032840

約数和(自身を除く): 57644180

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 26489, 52978, 105956, 132445, 264890, 529780, 2569433, 5138866, 10277732, 12847165, 25694330, 51388660]

約数ペア:

[(1, 51388660), (2, 25694330), (4, 12847165), (5, 10277732), (10, 5138866), (20, 2569433), (97, 529780), (194, 264890), (388, 132445), (485, 105956), (970, 52978), (1940, 26489)]