81115696

素因数分解:

$2^4\times {\mathrm{2011}}^1\times {\mathrm{2521}}^1$

素因数の和:4540

約数の個数: 20

約数和(自身を含む): 157302184

約数和(自身を除く): 76186488

約数列:

[1, 2, 4, 8, 16, 2011, 2521, 4022, 5042, 8044, 10084, 16088, 20168, 32176, 40336, 5069731, 10139462, 20278924, 40557848, 81115696]

約数ペア:

[(1, 81115696), (2, 40557848), (4, 20278924), (8, 10139462), (16, 5069731), (2011, 40336), (2521, 32176), (4022, 20168), (5042, 16088), (8044, 10084)]