80815705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{22111}}^1$

素因数の和:22176

約数の個数: 16

約数和(自身を含む): 105076224

約数和(自身を除く): 24260519

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 22111, 110555, 375887, 950773, 1879435, 4753865, 16163141, 80815705]

約数ペア:

[(1, 80815705), (5, 16163141), (17, 4753865), (43, 1879435), (85, 950773), (215, 375887), (731, 110555), (3655, 22111)]