2051440

素因数分解:

$2^4\times 5^1\times {\mathrm{25643}}^1$

素因数の和:25656

約数の個数: 20

約数和(自身を含む): 4769784

約数和(自身を除く): 2718344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25643, 51286, 102572, 128215, 205144, 256430, 410288, 512860, 1025720, 2051440]

約数ペア:

[(1, 2051440), (2, 1025720), (4, 512860), (5, 410288), (8, 256430), (10, 205144), (16, 128215), (20, 102572), (40, 51286), (80, 25643)]