86565620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{39709}}^1$

素因数の和:39827

約数の個数: 24

約数和(自身を含む): 183460200

約数和(自身を除く): 96894580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 39709, 79418, 158836, 198545, 397090, 794180, 4328281, 8656562, 17313124, 21641405, 43282810, 86565620]

約数ペア:

[(1, 86565620), (2, 43282810), (4, 21641405), (5, 17313124), (10, 8656562), (20, 4328281), (109, 794180), (218, 397090), (436, 198545), (545, 158836), (1090, 79418), (2180, 39709)]