6540400

素因数分解:

$2^4\times 5^2\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:298

約数の個数: 60

約数和(自身を含む): 15983352

約数和(自身を除く): 9442952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 83, 100, 166, 197, 200, 332, 394, 400, 415, 664, 788, 830, 985, 1328, 1576, 1660, 1970, 2075, 3152, 3320, 3940, 4150, 4925, 6640, 7880, 8300, 9850, 15760, 16351, 16600, 19700, 32702, 33200, 39400, 65404, 78800, 81755, 130808, 163510, 261616, 327020, 408775, 654040, 817550, 1308080, 1635100, 3270200, 6540400]

約数ペア:

[(1, 6540400), (2, 3270200), (4, 1635100), (5, 1308080), (8, 817550), (10, 654040), (16, 408775), (20, 327020), (25, 261616), (40, 163510), (50, 130808), (80, 81755), (83, 78800), (100, 65404), (166, 39400), (197, 33200), (200, 32702), (332, 19700), (394, 16600), (400, 16351), (415, 15760), (664, 9850), (788, 8300), (830, 7880), (985, 6640), (1328, 4925), (1576, 4150), (1660, 3940), (1970, 3320), (2075, 3152)]