1038009020

素因数分解:

$2^2\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{42437}}^1$

素因数の和:43669

約数の個数: 24

約数和(自身を含む): 2181652704

約数和(自身を除く): 1143643684

約数列:

[1, 2, 4, 5, 10, 20, 1223, 2446, 4892, 6115, 12230, 24460, 42437, 84874, 169748, 212185, 424370, 848740, 51900451, 103800902, 207601804, 259502255, 519004510, 1038009020]

約数ペア:

[(1, 1038009020), (2, 519004510), (4, 259502255), (5, 207601804), (10, 103800902), (20, 51900451), (1223, 848740), (2446, 424370), (4892, 212185), (6115, 169748), (12230, 84874), (24460, 42437)]