1040085880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{257447}}^1$

素因数の和:257559

約数の個数: 32

約数和(自身を含む): 2363372640

約数和(自身を除く): 1323286760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 257447, 514894, 1029788, 1287235, 2059576, 2574470, 5148940, 10297880, 26002147, 52004294, 104008588, 130010735, 208017176, 260021470, 520042940, 1040085880]

約数ペア:

[(1, 1040085880), (2, 520042940), (4, 260021470), (5, 208017176), (8, 130010735), (10, 104008588), (20, 52004294), (40, 26002147), (101, 10297880), (202, 5148940), (404, 2574470), (505, 2059576), (808, 1287235), (1010, 1029788), (2020, 514894), (4040, 257447)]