55784260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{398459}}^1$

素因数の和:398475

約数の個数: 24

約数和(自身を含む): 133882560

約数和(自身を除く): 78098300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 398459, 796918, 1593836, 1992295, 2789213, 3984590, 5578426, 7969180, 11156852, 13946065, 27892130, 55784260]

約数ペア:

[(1, 55784260), (2, 27892130), (4, 13946065), (5, 11156852), (7, 7969180), (10, 5578426), (14, 3984590), (20, 2789213), (28, 1992295), (35, 1593836), (70, 796918), (140, 398459)]