2040390575

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{282407}}^1$

素因数の和:282451

約数の個数: 18

約数和(自身を含む): 2687676936

約数和(自身を除く): 647286361

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 282407, 1412035, 4800919, 7060175, 24004595, 81615623, 120022975, 408078115, 2040390575]

約数ペア:

[(1, 2040390575), (5, 408078115), (17, 120022975), (25, 81615623), (85, 24004595), (289, 7060175), (425, 4800919), (1445, 1412035), (7225, 282407)]