8152720

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1009}}^1$

素因数の和:1123

約数の個数: 40

約数和(自身を含む): 19161720

約数和(自身を除く): 11009000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1009, 1010, 1616, 2018, 2020, 4036, 4040, 5045, 8072, 8080, 10090, 16144, 20180, 40360, 80720, 101909, 203818, 407636, 509545, 815272, 1019090, 1630544, 2038180, 4076360, 8152720]

約数ペア:

[(1, 8152720), (2, 4076360), (4, 2038180), (5, 1630544), (8, 1019090), (10, 815272), (16, 509545), (20, 407636), (40, 203818), (80, 101909), (101, 80720), (202, 40360), (404, 20180), (505, 16144), (808, 10090), (1009, 8080), (1010, 8072), (1616, 5045), (2018, 4040), (2020, 4036)]