20176983550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{769}}^1\times {\mathrm{12799}}^1$

素因数の和:13621

約数の個数: 48

約数和(自身を含む): 38497536000

約数和(自身を除く): 18320552450

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 769, 1025, 1538, 2050, 3845, 7690, 12799, 19225, 25598, 31529, 38450, 63058, 63995, 127990, 157645, 315290, 319975, 524759, 639950, 788225, 1049518, 1576450, 2623795, 5247590, 9842431, 13118975, 19684862, 26237950, 49212155, 98424310, 246060775, 403539671, 492121550, 807079342, 2017698355, 4035396710, 10088491775, 20176983550]

約数ペア:

[(1, 20176983550), (2, 10088491775), (5, 4035396710), (10, 2017698355), (25, 807079342), (41, 492121550), (50, 403539671), (82, 246060775), (205, 98424310), (410, 49212155), (769, 26237950), (1025, 19684862), (1538, 13118975), (2050, 9842431), (3845, 5247590), (7690, 2623795), (12799, 1576450), (19225, 1049518), (25598, 788225), (31529, 639950), (38450, 524759), (63058, 319975), (63995, 315290), (127990, 157645)]