16280080

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1033}}^1$

素因数の和:1243

約数の個数: 40

約数和(自身を含む): 38080152

約数和(自身を除く): 21800072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1033, 1576, 1970, 2066, 3152, 3940, 4132, 5165, 7880, 8264, 10330, 15760, 16528, 20660, 41320, 82640, 203501, 407002, 814004, 1017505, 1628008, 2035010, 3256016, 4070020, 8140040, 16280080]

約数ペア:

[(1, 16280080), (2, 8140040), (4, 4070020), (5, 3256016), (8, 2035010), (10, 1628008), (16, 1017505), (20, 814004), (40, 407002), (80, 203501), (197, 82640), (394, 41320), (788, 20660), (985, 16528), (1033, 15760), (1576, 10330), (1970, 8264), (2066, 7880), (3152, 5165), (3940, 4132)]