31277480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60149}}^1$

素因数の和:60173

約数の個数: 32

約数和(自身を含む): 75789000

約数和(自身を除く): 44511520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60149, 120298, 240596, 300745, 481192, 601490, 781937, 1202980, 1563874, 2405960, 3127748, 3909685, 6255496, 7819370, 15638740, 31277480]

約数ペア:

[(1, 31277480), (2, 15638740), (4, 7819370), (5, 6255496), (8, 3909685), (10, 3127748), (13, 2405960), (20, 1563874), (26, 1202980), (40, 781937), (52, 601490), (65, 481192), (104, 300745), (130, 240596), (260, 120298), (520, 60149)]