4020665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1783}}^1$

素因数の和:1840

約数の個数: 16

約数和(自身を含む): 5394816

約数和(自身を除く): 1374151

約数列:

[1, 5, 11, 41, 55, 205, 451, 1783, 2255, 8915, 19613, 73103, 98065, 365515, 804133, 4020665]

約数ペア:

[(1, 4020665), (5, 804133), (11, 365515), (41, 98065), (55, 73103), (205, 19613), (451, 8915), (1783, 2255)]