194896040

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{24733}}^1$

素因数の和:24941

約数の個数: 32

約数和(自身を含む): 440759880

約数和(自身を除く): 245863840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 24733, 49466, 98932, 123665, 197864, 247330, 494660, 989320, 4872401, 9744802, 19489604, 24362005, 38979208, 48724010, 97448020, 194896040]

約数ペア:

[(1, 194896040), (2, 97448020), (4, 48724010), (5, 38979208), (8, 24362005), (10, 19489604), (20, 9744802), (40, 4872401), (197, 989320), (394, 494660), (788, 247330), (985, 197864), (1576, 123665), (1970, 98932), (3940, 49466), (7880, 24733)]