39397480

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3167}}^1$

素因数の和:3489

約数の個数: 32

約数和(自身を含む): 88957440

約数和(自身を除く): 49559960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 3167, 6220, 6334, 12440, 12668, 15835, 25336, 31670, 63340, 126680, 984937, 1969874, 3939748, 4924685, 7879496, 9849370, 19698740, 39397480]

約数ペア:

[(1, 39397480), (2, 19698740), (4, 9849370), (5, 7879496), (8, 4924685), (10, 3939748), (20, 1969874), (40, 984937), (311, 126680), (622, 63340), (1244, 31670), (1555, 25336), (2488, 15835), (3110, 12668), (3167, 12440), (6220, 6334)]