82771520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:328

約数の個数: 112

約数和(自身を含む): 215450928

約数和(自身を除く): 132679408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 101, 104, 130, 160, 197, 202, 208, 260, 320, 394, 404, 416, 505, 520, 788, 808, 832, 985, 1010, 1040, 1313, 1576, 1616, 1970, 2020, 2080, 2561, 2626, 3152, 3232, 3940, 4040, 4160, 5122, 5252, 6304, 6464, 6565, 7880, 8080, 10244, 10504, 12608, 12805, 13130, 15760, 16160, 19897, 20488, 21008, 25610, 26260, 31520, 32320, 39794, 40976, 42016, 51220, 52520, 63040, 79588, 81952, 84032, 99485, 102440, 105040, 159176, 163904, 198970, 204880, 210080, 258661, 318352, 397940, 409760, 420160, 517322, 636704, 795880, 819520, 1034644, 1273408, 1293305, 1591760, 2069288, 2586610, 3183520, 4138576, 5173220, 6367040, 8277152, 10346440, 16554304, 20692880, 41385760, 82771520]

約数ペア:

[(1, 82771520), (2, 41385760), (4, 20692880), (5, 16554304), (8, 10346440), (10, 8277152), (13, 6367040), (16, 5173220), (20, 4138576), (26, 3183520), (32, 2586610), (40, 2069288), (52, 1591760), (64, 1293305), (65, 1273408), (80, 1034644), (101, 819520), (104, 795880), (130, 636704), (160, 517322), (197, 420160), (202, 409760), (208, 397940), (260, 318352), (320, 258661), (394, 210080), (404, 204880), (416, 198970), (505, 163904), (520, 159176), (788, 105040), (808, 102440), (832, 99485), (985, 84032), (1010, 81952), (1040, 79588), (1313, 63040), (1576, 52520), (1616, 51220), (1970, 42016), (2020, 40976), (2080, 39794), (2561, 32320), (2626, 31520), (3152, 26260), (3232, 25610), (3940, 21008), (4040, 20488), (4160, 19897), (5122, 16160), (5252, 15760), (6304, 13130), (6464, 12805), (6565, 12608), (7880, 10504), (8080, 10244)]