8231920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2393}}^1$

素因数の和:2449

約数の個数: 40

約数和(自身を含む): 19592496

約数和(自身を除く): 11360576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2393, 3440, 4786, 9572, 11965, 19144, 23930, 38288, 47860, 95720, 102899, 191440, 205798, 411596, 514495, 823192, 1028990, 1646384, 2057980, 4115960, 8231920]

約数ペア:

[(1, 8231920), (2, 4115960), (4, 2057980), (5, 1646384), (8, 1028990), (10, 823192), (16, 514495), (20, 411596), (40, 205798), (43, 191440), (80, 102899), (86, 95720), (172, 47860), (215, 38288), (344, 23930), (430, 19144), (688, 11965), (860, 9572), (1720, 4786), (2393, 3440)]