1628528080

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{103333}}^1$

素因数の和:103543

約数の個数: 40

約数和(自身を含む): 3805584552

約数和(自身を除く): 2177056472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 15760, 103333, 206666, 413332, 516665, 826664, 1033330, 1653328, 2066660, 4133320, 8266640, 20356601, 40713202, 81426404, 101783005, 162852808, 203566010, 325705616, 407132020, 814264040, 1628528080]

約数ペア:

[(1, 1628528080), (2, 814264040), (4, 407132020), (5, 325705616), (8, 203566010), (10, 162852808), (16, 101783005), (20, 81426404), (40, 40713202), (80, 20356601), (197, 8266640), (394, 4133320), (788, 2066660), (985, 1653328), (1576, 1033330), (1970, 826664), (3152, 516665), (3940, 413332), (7880, 206666), (15760, 103333)]