38643260

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4967}}^1$

素因数の和:5365

約数の個数: 24

約数和(自身を含む): 81375840

約数和(自身を除く): 42732580

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 4967, 7780, 9934, 19868, 24835, 49670, 99340, 1932163, 3864326, 7728652, 9660815, 19321630, 38643260]

約数ペア:

[(1, 38643260), (2, 19321630), (4, 9660815), (5, 7728652), (10, 3864326), (20, 1932163), (389, 99340), (778, 49670), (1556, 24835), (1945, 19868), (3890, 9934), (4967, 7780)]