25406120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14771}}^1$

素因数の和:14825

約数の個数: 32

約数和(自身を含む): 58497120

約数和(自身を除く): 33091000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 14771, 29542, 59084, 73855, 118168, 147710, 295420, 590840, 635153, 1270306, 2540612, 3175765, 5081224, 6351530, 12703060, 25406120]

約数ペア:

[(1, 25406120), (2, 12703060), (4, 6351530), (5, 5081224), (8, 3175765), (10, 2540612), (20, 1270306), (40, 635153), (43, 590840), (86, 295420), (172, 147710), (215, 118168), (344, 73855), (430, 59084), (860, 29542), (1720, 14771)]