8765360

素因数分解:

$2^4\times 5^1\times {\mathrm{109567}}^1$

素因数の和:109580

約数の個数: 20

約数和(自身を含む): 20379648

約数和(自身を除く): 11614288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109567, 219134, 438268, 547835, 876536, 1095670, 1753072, 2191340, 4382680, 8765360]

約数ペア:

[(1, 8765360), (2, 4382680), (4, 2191340), (5, 1753072), (8, 1095670), (10, 876536), (16, 547835), (20, 438268), (40, 219134), (80, 109567)]