2560100

素因数分解:

$2^2\times 5^2\times {\mathrm{25601}}^1$

素因数の和:25615

約数の個数: 18

約数和(自身を含む): 5555634

約数和(自身を除く): 2995534

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 25601, 51202, 102404, 128005, 256010, 512020, 640025, 1280050, 2560100]

約数ペア:

[(1, 2560100), (2, 1280050), (4, 640025), (5, 512020), (10, 256010), (20, 128005), (25, 102404), (50, 51202), (100, 25601)]