8028433760

素因数分解:

$2^5\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{25253}}^1$

素因数の和:27255

約数の個数: 48

約数和(自身を含む): 18977471856

約数和(自身を除く): 10949038096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1987, 3974, 7948, 9935, 15896, 19870, 25253, 31792, 39740, 50506, 63584, 79480, 101012, 126265, 158960, 202024, 252530, 317920, 404048, 505060, 808096, 1010120, 2020240, 4040480, 50177711, 100355422, 200710844, 250888555, 401421688, 501777110, 802843376, 1003554220, 1605686752, 2007108440, 4014216880, 8028433760]

約数ペア:

[(1, 8028433760), (2, 4014216880), (4, 2007108440), (5, 1605686752), (8, 1003554220), (10, 802843376), (16, 501777110), (20, 401421688), (32, 250888555), (40, 200710844), (80, 100355422), (160, 50177711), (1987, 4040480), (3974, 2020240), (7948, 1010120), (9935, 808096), (15896, 505060), (19870, 404048), (25253, 317920), (31792, 252530), (39740, 202024), (50506, 158960), (63584, 126265), (79480, 101012)]