1566897880

素因数分解:

$2^3\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{18127}}^1$

素因数の和:20299

約数の個数: 32

約数和(自身を含む): 3527346240

約数和(自身を除く): 1960448360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2161, 4322, 8644, 10805, 17288, 18127, 21610, 36254, 43220, 72508, 86440, 90635, 145016, 181270, 362540, 725080, 39172447, 78344894, 156689788, 195862235, 313379576, 391724470, 783448940, 1566897880]

約数ペア:

[(1, 1566897880), (2, 783448940), (4, 391724470), (5, 313379576), (8, 195862235), (10, 156689788), (20, 78344894), (40, 39172447), (2161, 725080), (4322, 362540), (8644, 181270), (10805, 145016), (17288, 90635), (18127, 86440), (21610, 72508), (36254, 43220)]