201564820

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{97847}}^1$

素因数の和:97959

約数の個数: 24

約数和(自身を含む): 427400064

約数和(自身を除く): 225835244

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 97847, 195694, 391388, 489235, 978470, 1956940, 10078241, 20156482, 40312964, 50391205, 100782410, 201564820]

約数ペア:

[(1, 201564820), (2, 100782410), (4, 50391205), (5, 40312964), (10, 20156482), (20, 10078241), (103, 1956940), (206, 978470), (412, 489235), (515, 391388), (1030, 195694), (2060, 97847)]