11471720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1697}}^1$

素因数の和:1734

約数の個数: 48

約数和(自身を含む): 27966060

約数和(自身を除く): 16494340

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 1697, 3380, 3394, 6760, 6788, 8485, 13576, 16970, 22061, 33940, 44122, 67880, 88244, 110305, 176488, 220610, 286793, 441220, 573586, 882440, 1147172, 1433965, 2294344, 2867930, 5735860, 11471720]

約数ペア:

[(1, 11471720), (2, 5735860), (4, 2867930), (5, 2294344), (8, 1433965), (10, 1147172), (13, 882440), (20, 573586), (26, 441220), (40, 286793), (52, 220610), (65, 176488), (104, 110305), (130, 88244), (169, 67880), (260, 44122), (338, 33940), (520, 22061), (676, 16970), (845, 13576), (1352, 8485), (1690, 6788), (1697, 6760), (3380, 3394)]