86620720

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5441}}^1$

素因数の和:5653

約数の個数: 40

約数和(自身を含む): 202442400

約数和(自身を除く): 115821680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 5441, 7960, 10882, 15920, 21764, 27205, 43528, 54410, 87056, 108820, 217640, 435280, 1082759, 2165518, 4331036, 5413795, 8662072, 10827590, 17324144, 21655180, 43310360, 86620720]

約数ペア:

[(1, 86620720), (2, 43310360), (4, 21655180), (5, 17324144), (8, 10827590), (10, 8662072), (16, 5413795), (20, 4331036), (40, 2165518), (80, 1082759), (199, 435280), (398, 217640), (796, 108820), (995, 87056), (1592, 54410), (1990, 43528), (3184, 27205), (3980, 21764), (5441, 15920), (7960, 10882)]