80570992

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{117109}}^1$

素因数の和:117160

約数の個数: 20

約数和(自身を含む): 159738040

約数和(自身を除く): 79167048

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 117109, 234218, 468436, 936872, 1873744, 5035687, 10071374, 20142748, 40285496, 80570992]

約数ペア:

[(1, 80570992), (2, 40285496), (4, 20142748), (8, 10071374), (16, 5035687), (43, 1873744), (86, 936872), (172, 468436), (344, 234218), (688, 117109)]