70489960

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{6857}}^1$

素因数の和:7125

約数の個数: 32

約数和(自身を含む): 159242760

約数和(自身を除く): 88752800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 6857, 10280, 13714, 27428, 34285, 54856, 68570, 137140, 274280, 1762249, 3524498, 7048996, 8811245, 14097992, 17622490, 35244980, 70489960]

約数ペア:

[(1, 70489960), (2, 35244980), (4, 17622490), (5, 14097992), (8, 8811245), (10, 7048996), (20, 3524498), (40, 1762249), (257, 274280), (514, 137140), (1028, 68570), (1285, 54856), (2056, 34285), (2570, 27428), (5140, 13714), (6857, 10280)]