25456460

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9157}}^1$

素因数の和:9305

約数の個数: 24

約数和(自身を含む): 53849040

約数和(自身を除く): 28392580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 9157, 18314, 36628, 45785, 91570, 183140, 1272823, 2545646, 5091292, 6364115, 12728230, 25456460]

約数ペア:

[(1, 25456460), (2, 12728230), (4, 6364115), (5, 5091292), (10, 2545646), (20, 1272823), (139, 183140), (278, 91570), (556, 45785), (695, 36628), (1390, 18314), (2780, 9157)]