38990240

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1237}}^1$

素因数の和:1449

約数の個数: 48

約数和(自身を含む): 92656872

約数和(自身を除く): 53666632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1237, 1576, 1970, 2474, 3152, 3940, 4948, 6185, 6304, 7880, 9896, 12370, 15760, 19792, 24740, 31520, 39584, 49480, 98960, 197920, 243689, 487378, 974756, 1218445, 1949512, 2436890, 3899024, 4873780, 7798048, 9747560, 19495120, 38990240]

約数ペア:

[(1, 38990240), (2, 19495120), (4, 9747560), (5, 7798048), (8, 4873780), (10, 3899024), (16, 2436890), (20, 1949512), (32, 1218445), (40, 974756), (80, 487378), (160, 243689), (197, 197920), (394, 98960), (788, 49480), (985, 39584), (1237, 31520), (1576, 24740), (1970, 19792), (2474, 15760), (3152, 12370), (3940, 9896), (4948, 7880), (6185, 6304)]