2013990260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{48907}}^1$

素因数の和:49016

約数の個数: 48

約数和(自身を含む): 4436933760

約数和(自身を除く): 2422943500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 710, 1420, 2059, 4118, 8236, 10295, 20590, 41180, 48907, 97814, 195628, 244535, 489070, 978140, 1418303, 2836606, 3472397, 5673212, 6944794, 7091515, 13889588, 14183030, 17361985, 28366060, 34723970, 69447940, 100699513, 201399026, 402798052, 503497565, 1006995130, 2013990260]

約数ペア:

[(1, 2013990260), (2, 1006995130), (4, 503497565), (5, 402798052), (10, 201399026), (20, 100699513), (29, 69447940), (58, 34723970), (71, 28366060), (116, 17361985), (142, 14183030), (145, 13889588), (284, 7091515), (290, 6944794), (355, 5673212), (580, 3472397), (710, 2836606), (1420, 1418303), (2059, 978140), (4118, 489070), (8236, 244535), (10295, 195628), (20590, 97814), (41180, 48907)]