56485840

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2549}}^1$

素因数の和:2839

約数の個数: 40

約数和(自身を含む): 131855400

約数和(自身を除く): 75369560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1385, 2216, 2549, 2770, 4432, 5098, 5540, 10196, 11080, 12745, 20392, 22160, 25490, 40784, 50980, 101960, 203920, 706073, 1412146, 2824292, 3530365, 5648584, 7060730, 11297168, 14121460, 28242920, 56485840]

約数ペア:

[(1, 56485840), (2, 28242920), (4, 14121460), (5, 11297168), (8, 7060730), (10, 5648584), (16, 3530365), (20, 2824292), (40, 1412146), (80, 706073), (277, 203920), (554, 101960), (1108, 50980), (1385, 40784), (2216, 25490), (2549, 22160), (2770, 20392), (4432, 12745), (5098, 11080), (5540, 10196)]