2011255480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{297523}}^1$

素因数の和:297560

約数の個数: 48

約数和(自身を含む): 4900220280

約数和(自身を除く): 2888964800

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, 3380, 6760, 297523, 595046, 1190092, 1487615, 2380184, 2975230, 3867799, 5950460, 7735598, 11900920, 15471196, 19338995, 30942392, 38677990, 50281387, 77355980, 100562774, 154711960, 201125548, 251406935, 402251096, 502813870, 1005627740, 2011255480]

約数ペア:

[(1, 2011255480), (2, 1005627740), (4, 502813870), (5, 402251096), (8, 251406935), (10, 201125548), (13, 154711960), (20, 100562774), (26, 77355980), (40, 50281387), (52, 38677990), (65, 30942392), (104, 19338995), (130, 15471196), (169, 11900920), (260, 7735598), (338, 5950460), (520, 3867799), (676, 2975230), (845, 2380184), (1352, 1487615), (1690, 1190092), (3380, 595046), (6760, 297523)]