25210100

素因数分解:

$2^2\times 5^2\times {\mathrm{252101}}^1$

素因数の和:252115

約数の個数: 18

約数和(自身を含む): 54706134

約数和(自身を除く): 29496034

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 252101, 504202, 1008404, 1260505, 2521010, 5042020, 6302525, 12605050, 25210100]

約数ペア:

[(1, 25210100), (2, 12605050), (4, 6302525), (5, 5042020), (10, 2521010), (20, 1260505), (25, 1008404), (50, 504202), (100, 252101)]