86796680

素因数分解:

$2^3\times 5^1\times {\mathrm{977}}^1\times {\mathrm{2221}}^1$

素因数の和:3209

約数の個数: 32

約数和(自身を含む): 195580440

約数和(自身を除く): 108783760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 977, 1954, 2221, 3908, 4442, 4885, 7816, 8884, 9770, 11105, 17768, 19540, 22210, 39080, 44420, 88840, 2169917, 4339834, 8679668, 10849585, 17359336, 21699170, 43398340, 86796680]

約数ペア:

[(1, 86796680), (2, 43398340), (4, 21699170), (5, 17359336), (8, 10849585), (10, 8679668), (20, 4339834), (40, 2169917), (977, 88840), (1954, 44420), (2221, 39080), (3908, 22210), (4442, 19540), (4885, 17768), (7816, 11105), (8884, 9770)]