8206840

素因数分解:

$2^3\times 5^1\times {\mathrm{205171}}^1$

素因数の和:205182

約数の個数: 16

約数和(自身を含む): 18465480

約数和(自身を除く): 10258640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 205171, 410342, 820684, 1025855, 1641368, 2051710, 4103420, 8206840]

約数ペア:

[(1, 8206840), (2, 4103420), (4, 2051710), (5, 1641368), (8, 1025855), (10, 820684), (20, 410342), (40, 205171)]