2051226175

素因数分解:

$5^2\times {\mathrm{389}}^1\times {\mathrm{210923}}^1$

素因数の和:211322

約数の個数: 12

約数和(自身を含む): 2550071160

約数和(自身を除く): 498844985

約数列:

[1, 5, 25, 389, 1945, 9725, 210923, 1054615, 5273075, 82049047, 410245235, 2051226175]

約数ペア:

[(1, 2051226175), (5, 410245235), (25, 82049047), (389, 5273075), (1945, 1054615), (9725, 210923)]