12855620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27947}}^1$

素因数の和:27979

約数の個数: 24

約数和(自身を含む): 28171584

約数和(自身を除く): 15315964

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 27947, 55894, 111788, 139735, 279470, 558940, 642781, 1285562, 2571124, 3213905, 6427810, 12855620]

約数ペア:

[(1, 12855620), (2, 6427810), (4, 3213905), (5, 2571124), (10, 1285562), (20, 642781), (23, 558940), (46, 279470), (92, 139735), (115, 111788), (230, 55894), (460, 27947)]