28276840

素因数分解:

$2^3\times 5^1\times {\mathrm{706921}}^1$

素因数の和:706932

約数の個数: 16

約数和(自身を含む): 63622980

約数和(自身を除く): 35346140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 706921, 1413842, 2827684, 3534605, 5655368, 7069210, 14138420, 28276840]

約数ペア:

[(1, 28276840), (2, 14138420), (4, 7069210), (5, 5655368), (8, 3534605), (10, 2827684), (20, 1413842), (40, 706921)]