13223440

素因数分解:

$2^4\times 5^1\times {\mathrm{165293}}^1$

素因数の和:165306

約数の個数: 20

約数和(自身を含む): 30744684

約数和(自身を除く): 17521244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 165293, 330586, 661172, 826465, 1322344, 1652930, 2644688, 3305860, 6611720, 13223440]

約数ペア:

[(1, 13223440), (2, 6611720), (4, 3305860), (5, 2644688), (8, 1652930), (10, 1322344), (16, 826465), (20, 661172), (40, 330586), (80, 165293)]