11665520

素因数分解:

$2^4\times 5^1\times {\mathrm{145819}}^1$

素因数の和:145832

約数の個数: 20

約数和(自身を含む): 27122520

約数和(自身を除く): 15457000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 145819, 291638, 583276, 729095, 1166552, 1458190, 2333104, 2916380, 5832760, 11665520]

約数ペア:

[(1, 11665520), (2, 5832760), (4, 2916380), (5, 2333104), (8, 1458190), (10, 1166552), (16, 729095), (20, 583276), (40, 291638), (80, 145819)]