2000407870

素因数分解:

$2^1\times 5^1\times {\mathrm{4391}}^1\times {\mathrm{45557}}^1$

素因数の和:49955

約数の個数: 16

約数和(自身を含む): 3601633248

約数和(自身を除く): 1601225378

約数列:

[1, 2, 5, 10, 4391, 8782, 21955, 43910, 45557, 91114, 227785, 455570, 200040787, 400081574, 1000203935, 2000407870]

約数ペア:

[(1, 2000407870), (2, 1000203935), (5, 400081574), (10, 200040787), (4391, 455570), (8782, 227785), (21955, 91114), (43910, 45557)]