85758040

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10883}}^1$

素因数の和:11091

約数の個数: 32

約数和(自身を含む): 193952880

約数和(自身を除く): 108194840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 10883, 21766, 43532, 54415, 87064, 108830, 217660, 435320, 2143951, 4287902, 8575804, 10719755, 17151608, 21439510, 42879020, 85758040]

約数ペア:

[(1, 85758040), (2, 42879020), (4, 21439510), (5, 17151608), (8, 10719755), (10, 8575804), (20, 4287902), (40, 2143951), (197, 435320), (394, 217660), (788, 108830), (985, 87064), (1576, 54415), (1970, 43532), (3940, 21766), (7880, 10883)]