28080200

素因数分解:

$2^3\times 5^2\times {\mathrm{140401}}^1$

素因数の和:140417

約数の個数: 24

約数和(自身を含む): 65286930

約数和(自身を除く): 37206730

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 140401, 280802, 561604, 702005, 1123208, 1404010, 2808020, 3510025, 5616040, 7020050, 14040100, 28080200]

約数ペア:

[(1, 28080200), (2, 14040100), (4, 7020050), (5, 5616040), (8, 3510025), (10, 2808020), (20, 1404010), (25, 1123208), (40, 702005), (50, 561604), (100, 280802), (200, 140401)]