25100620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9029}}^1$

素因数の和:9177

約数の個数: 24

約数和(自身を含む): 53096400

約数和(自身を除く): 27995780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 9029, 18058, 36116, 45145, 90290, 180580, 1255031, 2510062, 5020124, 6275155, 12550310, 25100620]

約数ペア:

[(1, 25100620), (2, 12550310), (4, 6275155), (5, 5020124), (10, 2510062), (20, 1255031), (139, 180580), (278, 90290), (556, 45145), (695, 36116), (1390, 18058), (2780, 9029)]