68497040

素因数分解:

$2^4\times 5^1\times {\mathrm{856213}}^1$

素因数の和:856226

約数の個数: 20

約数和(自身を含む): 159255804

約数和(自身を除く): 90758764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 856213, 1712426, 3424852, 4281065, 6849704, 8562130, 13699408, 17124260, 34248520, 68497040]

約数ペア:

[(1, 68497040), (2, 34248520), (4, 17124260), (5, 13699408), (8, 8562130), (10, 6849704), (16, 4281065), (20, 3424852), (40, 1712426), (80, 856213)]