83499980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{643}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 180897024

約数和(自身を除く): 97397044

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 151, 172, 215, 302, 430, 604, 643, 755, 860, 1286, 1510, 2572, 3020, 3215, 6430, 6493, 12860, 12986, 25972, 27649, 32465, 55298, 64930, 97093, 110596, 129860, 138245, 194186, 276490, 388372, 485465, 552980, 970930, 1941860, 4174999, 8349998, 16699996, 20874995, 41749990, 83499980]

約数ペア:

[(1, 83499980), (2, 41749990), (4, 20874995), (5, 16699996), (10, 8349998), (20, 4174999), (43, 1941860), (86, 970930), (151, 552980), (172, 485465), (215, 388372), (302, 276490), (430, 194186), (604, 138245), (643, 129860), (755, 110596), (860, 97093), (1286, 64930), (1510, 55298), (2572, 32465), (3020, 27649), (3215, 25972), (6430, 12986), (6493, 12860)]