25474220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12611}}^1$

素因数の和:12721

約数の個数: 24

約数和(自身を含む): 54029808

約数和(自身を除く): 28555588

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 12611, 25222, 50444, 63055, 126110, 252220, 1273711, 2547422, 5094844, 6368555, 12737110, 25474220]

約数ペア:

[(1, 25474220), (2, 12737110), (4, 6368555), (5, 5094844), (10, 2547422), (20, 1273711), (101, 252220), (202, 126110), (404, 63055), (505, 50444), (1010, 25222), (2020, 12611)]