85870220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{44263}}^1$

素因数の和:44369

約数の個数: 24

約数和(自身を含む): 182190624

約数和(自身を除く): 96320404

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 44263, 88526, 177052, 221315, 442630, 885260, 4293511, 8587022, 17174044, 21467555, 42935110, 85870220]

約数ペア:

[(1, 85870220), (2, 42935110), (4, 21467555), (5, 17174044), (10, 8587022), (20, 4293511), (97, 885260), (194, 442630), (388, 221315), (485, 177052), (970, 88526), (1940, 44263)]