520048007440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{26318219}}^1$

素因数の和:26318264

約数の個数: 80

約数和(自身を含む): 1370652897600

約数和(自身を除く): 850604890160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 26318219, 52636438, 105272876, 131591095, 210545752, 263182190, 342136847, 421091504, 500046161, 526364380, 684273694, 1000092322, 1052728760, 1368547388, 1710684235, 2000184644, 2105457520, 2500230805, 2737094776, 3421368470, 4000369288, 5000461610, 5474189552, 6500600093, 6842736940, 8000738576, 10000923220, 13001200186, 13685473880, 20001846440, 26002400372, 27370947760, 32503000465, 40003692880, 52004800744, 65006000930, 104009601488, 130012001860, 260024003720, 520048007440]

約数ペア:

[(1, 520048007440), (2, 260024003720), (4, 130012001860), (5, 104009601488), (8, 65006000930), (10, 52004800744), (13, 40003692880), (16, 32503000465), (19, 27370947760), (20, 26002400372), (26, 20001846440), (38, 13685473880), (40, 13001200186), (52, 10000923220), (65, 8000738576), (76, 6842736940), (80, 6500600093), (95, 5474189552), (104, 5000461610), (130, 4000369288), (152, 3421368470), (190, 2737094776), (208, 2500230805), (247, 2105457520), (260, 2000184644), (304, 1710684235), (380, 1368547388), (494, 1052728760), (520, 1000092322), (760, 684273694), (988, 526364380), (1040, 500046161), (1235, 421091504), (1520, 342136847), (1976, 263182190), (2470, 210545752), (3952, 131591095), (4940, 105272876), (9880, 52636438), (19760, 26318219)]