1812015280

素因数分解:

$2^4\times 5^1\times {\mathrm{22650191}}^1$

素因数の和:22650204

約数の個数: 20

約数和(自身を含む): 4212935712

約数和(自身を除く): 2400920432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 22650191, 45300382, 90600764, 113250955, 181201528, 226501910, 362403056, 453003820, 906007640, 1812015280]

約数ペア:

[(1, 1812015280), (2, 906007640), (4, 453003820), (5, 362403056), (8, 226501910), (10, 181201528), (16, 113250955), (20, 90600764), (40, 45300382), (80, 22650191)]