28266320

素因数分解:

$2^4\times 5^1\times {\mathrm{353329}}^1$

素因数の和:353342

約数の個数: 20

約数和(自身を含む): 65719380

約数和(自身を除く): 37453060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353329, 706658, 1413316, 1766645, 2826632, 3533290, 5653264, 7066580, 14133160, 28266320]

約数ペア:

[(1, 28266320), (2, 14133160), (4, 7066580), (5, 5653264), (8, 3533290), (10, 2826632), (16, 1766645), (20, 1413316), (40, 706658), (80, 353329)]