166500520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{41213}}^1$

素因数の和:41325

約数の個数: 32

約数和(自身を含む): 378344520

約数和(自身を除く): 211844000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 41213, 82426, 164852, 206065, 329704, 412130, 824260, 1648520, 4162513, 8325026, 16650052, 20812565, 33300104, 41625130, 83250260, 166500520]

約数ペア:

[(1, 166500520), (2, 83250260), (4, 41625130), (5, 33300104), (8, 20812565), (10, 16650052), (20, 8325026), (40, 4162513), (101, 1648520), (202, 824260), (404, 412130), (505, 329704), (808, 206065), (1010, 164852), (2020, 82426), (4040, 41213)]