8266209520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1\times {\mathrm{3271}}^1$

素因数の和:4334

約数の個数: 80

約数和(自身を含む): 19864442880

約数和(自身を除く): 11598233360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1019, 1240, 2038, 2480, 3271, 4076, 5095, 6542, 8152, 10190, 13084, 16304, 16355, 20380, 26168, 31589, 32710, 40760, 52336, 63178, 65420, 81520, 101401, 126356, 130840, 157945, 202802, 252712, 261680, 315890, 405604, 505424, 507005, 631780, 811208, 1014010, 1263560, 1622416, 2028020, 2527120, 3333149, 4056040, 6666298, 8112080, 13332596, 16665745, 26665192, 33331490, 53330384, 66662980, 103327619, 133325960, 206655238, 266651920, 413310476, 516638095, 826620952, 1033276190, 1653241904, 2066552380, 4133104760, 8266209520]

約数ペア:

[(1, 8266209520), (2, 4133104760), (4, 2066552380), (5, 1653241904), (8, 1033276190), (10, 826620952), (16, 516638095), (20, 413310476), (31, 266651920), (40, 206655238), (62, 133325960), (80, 103327619), (124, 66662980), (155, 53330384), (248, 33331490), (310, 26665192), (496, 16665745), (620, 13332596), (1019, 8112080), (1240, 6666298), (2038, 4056040), (2480, 3333149), (3271, 2527120), (4076, 2028020), (5095, 1622416), (6542, 1263560), (8152, 1014010), (10190, 811208), (13084, 631780), (16304, 507005), (16355, 505424), (20380, 405604), (26168, 315890), (31589, 261680), (32710, 252712), (40760, 202802), (52336, 157945), (63178, 130840), (65420, 126356), (81520, 101401)]