200440040

素因数分解:

$2^3\times 5^1\times {\mathrm{5011001}}^1$

素因数の和:5011012

約数の個数: 16

約数和(自身を含む): 450990180

約数和(自身を除く): 250550140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5011001, 10022002, 20044004, 25055005, 40088008, 50110010, 100220020, 200440040]

約数ペア:

[(1, 200440040), (2, 100220020), (4, 50110010), (5, 40088008), (8, 25055005), (10, 20044004), (20, 10022002), (40, 5011001)]