408020825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{960049}}^1$

素因数の和:960076

約数の個数: 12

約数和(自身を含む): 535707900

約数和(自身を除く): 127687075

約数列:

[1, 5, 17, 25, 85, 425, 960049, 4800245, 16320833, 24001225, 81604165, 408020825]

約数ペア:

[(1, 408020825), (5, 81604165), (17, 24001225), (25, 16320833), (85, 4800245), (425, 960049)]