86588440

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{8423}}^1$

素因数の和:8691

約数の個数: 32

約数和(自身を含む): 195605280

約数和(自身を除く): 109016840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 8423, 10280, 16846, 33692, 42115, 67384, 84230, 168460, 336920, 2164711, 4329422, 8658844, 10823555, 17317688, 21647110, 43294220, 86588440]

約数ペア:

[(1, 86588440), (2, 43294220), (4, 21647110), (5, 17317688), (8, 10823555), (10, 8658844), (20, 4329422), (40, 2164711), (257, 336920), (514, 168460), (1028, 84230), (1285, 67384), (2056, 42115), (2570, 33692), (5140, 16846), (8423, 10280)]