105420505

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{821}}^1$

素因数の和:1308

約数の個数: 16

約数和(自身を含む): 129040848

約数和(自身を除く): 23620343

約数列:

[1, 5, 61, 305, 421, 821, 2105, 4105, 25681, 50081, 128405, 250405, 345641, 1728205, 21084101, 105420505]

約数ペア:

[(1, 105420505), (5, 21084101), (61, 1728205), (305, 345641), (421, 250405), (821, 128405), (2105, 50081), (4105, 25681)]