51536840

素因数分解:

$2^3\times 5^1\times {\mathrm{1288421}}^1$

素因数の和:1288432

約数の個数: 16

約数和(自身を含む): 115957980

約数和(自身を除く): 64421140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1288421, 2576842, 5153684, 6442105, 10307368, 12884210, 25768420, 51536840]

約数ペア:

[(1, 51536840), (2, 25768420), (4, 12884210), (5, 10307368), (8, 6442105), (10, 5153684), (20, 2576842), (40, 1288421)]