55451920

素因数分解:

$2^4\times 5^1\times {\mathrm{693149}}^1$

素因数の和:693162

約数の個数: 20

約数和(自身を含む): 128925900

約数和(自身を除く): 73473980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 693149, 1386298, 2772596, 3465745, 5545192, 6931490, 11090384, 13862980, 27725960, 55451920]

約数ペア:

[(1, 55451920), (2, 27725960), (4, 13862980), (5, 11090384), (8, 6931490), (10, 5545192), (16, 3465745), (20, 2772596), (40, 1386298), (80, 693149)]