8558740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 19192320

約数和(自身を除く): 10633580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 223, 380, 404, 446, 505, 892, 1010, 1115, 1919, 2020, 2230, 3838, 4237, 4460, 7676, 8474, 9595, 16948, 19190, 21185, 22523, 38380, 42370, 45046, 84740, 90092, 112615, 225230, 427937, 450460, 855874, 1711748, 2139685, 4279370, 8558740]

約数ペア:

[(1, 8558740), (2, 4279370), (4, 2139685), (5, 1711748), (10, 855874), (19, 450460), (20, 427937), (38, 225230), (76, 112615), (95, 90092), (101, 84740), (190, 45046), (202, 42370), (223, 38380), (380, 22523), (404, 21185), (446, 19190), (505, 16948), (892, 9595), (1010, 8474), (1115, 7676), (1919, 4460), (2020, 4237), (2230, 3838)]