31522640

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2063}}^1$

素因数の和:2267

約数の個数: 40

約数和(自身を含む): 73709568

約数和(自身を除く): 42186928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 2063, 3056, 3820, 4126, 7640, 8252, 10315, 15280, 16504, 20630, 33008, 41260, 82520, 165040, 394033, 788066, 1576132, 1970165, 3152264, 3940330, 6304528, 7880660, 15761320, 31522640]

約数ペア:

[(1, 31522640), (2, 15761320), (4, 7880660), (5, 6304528), (8, 3940330), (10, 3152264), (16, 1970165), (20, 1576132), (40, 788066), (80, 394033), (191, 165040), (382, 82520), (764, 41260), (955, 33008), (1528, 20630), (1910, 16504), (2063, 15280), (3056, 10315), (3820, 8252), (4126, 7640)]