55841390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2551}}^1$

素因数の和:2768

約数の個数: 32

約数和(自身を含む): 110246400

約数和(自身を除く): 54405010

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 2551, 4378, 5102, 10945, 12755, 21890, 25510, 28061, 56122, 140305, 280610, 507649, 1015298, 2538245, 5076490, 5584139, 11168278, 27920695, 55841390]

約数ペア:

[(1, 55841390), (2, 27920695), (5, 11168278), (10, 5584139), (11, 5076490), (22, 2538245), (55, 1015298), (110, 507649), (199, 280610), (398, 140305), (995, 56122), (1990, 28061), (2189, 25510), (2551, 21890), (4378, 12755), (5102, 10945)]