13547920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 33926400

約数和(自身を除く): 20378480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 37, 40, 46, 74, 80, 92, 115, 148, 184, 185, 199, 230, 296, 368, 370, 398, 460, 592, 740, 796, 851, 920, 995, 1480, 1592, 1702, 1840, 1990, 2960, 3184, 3404, 3980, 4255, 4577, 6808, 7363, 7960, 8510, 9154, 13616, 14726, 15920, 17020, 18308, 22885, 29452, 34040, 36616, 36815, 45770, 58904, 68080, 73232, 73630, 91540, 117808, 147260, 169349, 183080, 294520, 338698, 366160, 589040, 677396, 846745, 1354792, 1693490, 2709584, 3386980, 6773960, 13547920]

約数ペア:

[(1, 13547920), (2, 6773960), (4, 3386980), (5, 2709584), (8, 1693490), (10, 1354792), (16, 846745), (20, 677396), (23, 589040), (37, 366160), (40, 338698), (46, 294520), (74, 183080), (80, 169349), (92, 147260), (115, 117808), (148, 91540), (184, 73630), (185, 73232), (199, 68080), (230, 58904), (296, 45770), (368, 36815), (370, 36616), (398, 34040), (460, 29452), (592, 22885), (740, 18308), (796, 17020), (851, 15920), (920, 14726), (995, 13616), (1480, 9154), (1592, 8510), (1702, 7960), (1840, 7363), (1990, 6808), (2960, 4577), (3184, 4255), (3404, 3980)]