85308880

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5413}}^1$

素因数の和:5623

約数の個数: 40

約数和(自身を含む): 199386792

約数和(自身を除く): 114077912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 5413, 7880, 10826, 15760, 21652, 27065, 43304, 54130, 86608, 108260, 216520, 433040, 1066361, 2132722, 4265444, 5331805, 8530888, 10663610, 17061776, 21327220, 42654440, 85308880]

約数ペア:

[(1, 85308880), (2, 42654440), (4, 21327220), (5, 17061776), (8, 10663610), (10, 8530888), (16, 5331805), (20, 4265444), (40, 2132722), (80, 1066361), (197, 433040), (394, 216520), (788, 108260), (985, 86608), (1576, 54130), (1970, 43304), (3152, 27065), (3940, 21652), (5413, 15760), (7880, 10826)]