425633980

素因数分解:

$2^2\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{20249}}^1$

素因数の和:21309

約数の個数: 24

約数和(自身を含む): 894726000

約数和(自身を除く): 469092020

約数列:

[1, 2, 4, 5, 10, 20, 1051, 2102, 4204, 5255, 10510, 20249, 21020, 40498, 80996, 101245, 202490, 404980, 21281699, 42563398, 85126796, 106408495, 212816990, 425633980]

約数ペア:

[(1, 425633980), (2, 212816990), (4, 106408495), (5, 85126796), (10, 42563398), (20, 21281699), (1051, 404980), (2102, 202490), (4204, 101245), (5255, 80996), (10510, 40498), (20249, 21020)]