8421680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 60

約数和(自身を含む): 20571600

約数和(自身を除く): 12149920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 199, 230, 368, 398, 460, 529, 796, 920, 995, 1058, 1592, 1840, 1990, 2116, 2645, 3184, 3980, 4232, 4577, 5290, 7960, 8464, 9154, 10580, 15920, 18308, 21160, 22885, 36616, 42320, 45770, 73232, 91540, 105271, 183080, 210542, 366160, 421084, 526355, 842168, 1052710, 1684336, 2105420, 4210840, 8421680]

約数ペア:

[(1, 8421680), (2, 4210840), (4, 2105420), (5, 1684336), (8, 1052710), (10, 842168), (16, 526355), (20, 421084), (23, 366160), (40, 210542), (46, 183080), (80, 105271), (92, 91540), (115, 73232), (184, 45770), (199, 42320), (230, 36616), (368, 22885), (398, 21160), (460, 18308), (529, 15920), (796, 10580), (920, 9154), (995, 8464), (1058, 7960), (1592, 5290), (1840, 4577), (1990, 4232), (2116, 3980), (2645, 3184)]