2105378740

素因数分解:

$2^2\times 5^1\times {\mathrm{5237}}^1\times {\mathrm{20101}}^1$

素因数の和:25347

約数の個数: 24

約数和(自身を含む): 4422359592

約数和(自身を除く): 2316980852

約数列:

[1, 2, 4, 5, 10, 20, 5237, 10474, 20101, 20948, 26185, 40202, 52370, 80404, 100505, 104740, 201010, 402020, 105268937, 210537874, 421075748, 526344685, 1052689370, 2105378740]

約数ペア:

[(1, 2105378740), (2, 1052689370), (4, 526344685), (5, 421075748), (10, 210537874), (20, 105268937), (5237, 402020), (10474, 201010), (20101, 104740), (20948, 100505), (26185, 80404), (40202, 52370)]