40851880

素因数分解:

$2^3\times 5^1\times {\mathrm{1021297}}^1$

素因数の和:1021308

約数の個数: 16

約数和(自身を含む): 91916820

約数和(自身を除く): 51064940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1021297, 2042594, 4085188, 5106485, 8170376, 10212970, 20425940, 40851880]

約数ペア:

[(1, 40851880), (2, 20425940), (4, 10212970), (5, 8170376), (8, 5106485), (10, 4085188), (20, 2042594), (40, 1021297)]