872708360

素因数分解:

$2^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{20759}}^1$

素因数の和:21821

約数の個数: 32

約数和(自身を含む): 1965556800

約数和(自身を除く): 1092848440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051, 2102, 4204, 5255, 8408, 10510, 20759, 21020, 41518, 42040, 83036, 103795, 166072, 207590, 415180, 830360, 21817709, 43635418, 87270836, 109088545, 174541672, 218177090, 436354180, 872708360]

約数ペア:

[(1, 872708360), (2, 436354180), (4, 218177090), (5, 174541672), (8, 109088545), (10, 87270836), (20, 43635418), (40, 21817709), (1051, 830360), (2102, 415180), (4204, 207590), (5255, 166072), (8408, 103795), (10510, 83036), (20759, 42040), (21020, 41518)]