55540405

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{1009}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 67993200

約数和(自身を除く): 12452795

約数列:

[1, 5, 101, 109, 505, 545, 1009, 5045, 11009, 55045, 101909, 109981, 509545, 549905, 11108081, 55540405]

約数ペア:

[(1, 55540405), (5, 11108081), (101, 549905), (109, 509545), (505, 109981), (545, 101909), (1009, 55045), (5045, 11009)]