25402100

素因数分解:

$2^2\times 5^2\times {\mathrm{254021}}^1$

素因数の和:254035

約数の個数: 18

約数和(自身を含む): 55122774

約数和(自身を除く): 29720674

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 254021, 508042, 1016084, 1270105, 2540210, 5080420, 6350525, 12701050, 25402100]

約数ペア:

[(1, 25402100), (2, 12701050), (4, 6350525), (5, 5080420), (10, 2540210), (20, 1270105), (25, 1016084), (50, 508042), (100, 254021)]