81467560

素因数分解:

$2^3\times 5^1\times {\mathrm{859}}^1\times {\mathrm{2371}}^1$

素因数の和:3241

約数の個数: 32

約数和(自身を含む): 183592800

約数和(自身を除く): 102125240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 859, 1718, 2371, 3436, 4295, 4742, 6872, 8590, 9484, 11855, 17180, 18968, 23710, 34360, 47420, 94840, 2036689, 4073378, 8146756, 10183445, 16293512, 20366890, 40733780, 81467560]

約数ペア:

[(1, 81467560), (2, 40733780), (4, 20366890), (5, 16293512), (8, 10183445), (10, 8146756), (20, 4073378), (40, 2036689), (859, 94840), (1718, 47420), (2371, 34360), (3436, 23710), (4295, 18968), (4742, 17180), (6872, 11855), (8590, 9484)]