16800005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{421}}^1$

素因数の和:796

約数の個数: 16

約数和(自身を含む): 21147264

約数和(自身を除く): 4347259

約数列:

[1, 5, 23, 115, 347, 421, 1735, 2105, 7981, 9683, 39905, 48415, 146087, 730435, 3360001, 16800005]

約数ペア:

[(1, 16800005), (5, 3360001), (23, 730435), (115, 146087), (347, 48415), (421, 39905), (1735, 9683), (2105, 7981)]