40321880

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9421}}^1$

素因数の和:9539

約数の個数: 32

約数和(自身を含む): 91581840

約数和(自身を除く): 51259960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 9421, 18842, 37684, 47105, 75368, 94210, 188420, 376840, 1008047, 2016094, 4032188, 5040235, 8064376, 10080470, 20160940, 40321880]

約数ペア:

[(1, 40321880), (2, 20160940), (4, 10080470), (5, 8064376), (8, 5040235), (10, 4032188), (20, 2016094), (40, 1008047), (107, 376840), (214, 188420), (428, 94210), (535, 75368), (856, 47105), (1070, 37684), (2140, 18842), (4280, 9421)]