2038180

素因数分解:

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

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 4326840

約数和(自身を除く): 2288660

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1009, 1010, 2018, 2020, 4036, 5045, 10090, 20180, 101909, 203818, 407636, 509545, 1019090, 2038180]

約数ペア:

[(1, 2038180), (2, 1019090), (4, 509545), (5, 407636), (10, 203818), (20, 101909), (101, 20180), (202, 10090), (404, 5045), (505, 4036), (1009, 2020), (1010, 2018)]