85123720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193463}}^1$

素因数の和:193485

約数の個数: 32

約数和(自身を含む): 208941120

約数和(自身を除く): 123817400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 193463, 386926, 773852, 967315, 1547704, 1934630, 2128093, 3869260, 4256186, 7738520, 8512372, 10640465, 17024744, 21280930, 42561860, 85123720]

約数ペア:

[(1, 85123720), (2, 42561860), (4, 21280930), (5, 17024744), (8, 10640465), (10, 8512372), (11, 7738520), (20, 4256186), (22, 3869260), (40, 2128093), (44, 1934630), (55, 1547704), (88, 967315), (110, 773852), (220, 386926), (440, 193463)]