28160080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27077}}^1$

素因数の和:27103

約数の個数: 40

約数和(自身を含む): 70511112

約数和(自身を除く): 42351032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 27077, 54154, 108308, 135385, 216616, 270770, 352001, 433232, 541540, 704002, 1083080, 1408004, 1760005, 2166160, 2816008, 3520010, 5632016, 7040020, 14080040, 28160080]

約数ペア:

[(1, 28160080), (2, 14080040), (4, 7040020), (5, 5632016), (8, 3520010), (10, 2816008), (13, 2166160), (16, 1760005), (20, 1408004), (26, 1083080), (40, 704002), (52, 541540), (65, 433232), (80, 352001), (104, 270770), (130, 216616), (208, 135385), (260, 108308), (520, 54154), (1040, 27077)]