56497180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{68899}}^1$

素因数の和:68949

約数の個数: 24

約数和(自身を含む): 121539600

約数和(自身を除く): 65042420

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 68899, 137798, 275596, 344495, 688990, 1377980, 2824859, 5649718, 11299436, 14124295, 28248590, 56497180]

約数ペア:

[(1, 56497180), (2, 28248590), (4, 14124295), (5, 11299436), (10, 5649718), (20, 2824859), (41, 1377980), (82, 688990), (164, 344495), (205, 275596), (410, 137798), (820, 68899)]