6691280

素因数分解:

$2^4\times 5^1\times {\mathrm{83641}}^1$

素因数の和:83654

約数の個数: 20

約数和(自身を含む): 15557412

約数和(自身を除く): 8866132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83641, 167282, 334564, 418205, 669128, 836410, 1338256, 1672820, 3345640, 6691280]

約数ペア:

[(1, 6691280), (2, 3345640), (4, 1672820), (5, 1338256), (8, 836410), (10, 669128), (16, 418205), (20, 334564), (40, 167282), (80, 83641)]