126435520

素因数分解:

$2^6\times 5^1\times {\mathrm{395111}}^1$

素因数の和:395128

約数の個数: 28

約数和(自身を含む): 301075344

約数和(自身を除く): 174639824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 395111, 790222, 1580444, 1975555, 3160888, 3951110, 6321776, 7902220, 12643552, 15804440, 25287104, 31608880, 63217760, 126435520]

約数ペア:

[(1, 126435520), (2, 63217760), (4, 31608880), (5, 25287104), (8, 15804440), (10, 12643552), (16, 7902220), (20, 6321776), (32, 3951110), (40, 3160888), (64, 1975555), (80, 1580444), (160, 790222), (320, 395111)]