668528080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{759691}}^1$

素因数の和:759715

約数の個数: 40

約数和(自身を含む): 1695632544

約数和(自身を除く): 1027104464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 759691, 1519382, 3038764, 3798455, 6077528, 7596910, 8356601, 12155056, 15193820, 16713202, 30387640, 33426404, 41783005, 60775280, 66852808, 83566010, 133705616, 167132020, 334264040, 668528080]

約数ペア:

[(1, 668528080), (2, 334264040), (4, 167132020), (5, 133705616), (8, 83566010), (10, 66852808), (11, 60775280), (16, 41783005), (20, 33426404), (22, 30387640), (40, 16713202), (44, 15193820), (55, 12155056), (80, 8356601), (88, 7596910), (110, 6077528), (176, 3798455), (220, 3038764), (440, 1519382), (880, 759691)]