2636698660

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{205031}}^1$

素因数の和:205683

約数の個数: 24

約数和(自身を含む): 5545705536

約数和(自身を除く): 2909006876

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 205031, 410062, 820124, 1025155, 2050310, 4100620, 131834933, 263669866, 527339732, 659174665, 1318349330, 2636698660]

約数ペア:

[(1, 2636698660), (2, 1318349330), (4, 659174665), (5, 527339732), (10, 263669866), (20, 131834933), (643, 4100620), (1286, 2050310), (2572, 1025155), (3215, 820124), (6430, 410062), (12860, 205031)]