2011872080

素因数分解:

$2^4\times 5^1\times {\mathrm{25148401}}^1$

素因数の和:25148414

約数の個数: 20

約数和(自身を含む): 4677602772

約数和(自身を除く): 2665730692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25148401, 50296802, 100593604, 125742005, 201187208, 251484010, 402374416, 502968020, 1005936040, 2011872080]

約数ペア:

[(1, 2011872080), (2, 1005936040), (4, 502968020), (5, 402374416), (8, 251484010), (10, 201187208), (16, 125742005), (20, 100593604), (40, 50296802), (80, 25148401)]