2555180

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{509}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 5397840

約数和(自身を除く): 2842660

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 509, 1004, 1018, 1255, 2036, 2510, 2545, 5020, 5090, 10180, 127759, 255518, 511036, 638795, 1277590, 2555180]

約数ペア:

[(1, 2555180), (2, 1277590), (4, 638795), (5, 511036), (10, 255518), (20, 127759), (251, 10180), (502, 5090), (509, 5020), (1004, 2545), (1018, 2510), (1255, 2036)]