254007640

素因数分解:

$2^3\times 5^1\times {\mathrm{6350191}}^1$

素因数の和:6350202

約数の個数: 16

約数和(自身を含む): 571517280

約数和(自身を除く): 317509640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6350191, 12700382, 25400764, 31750955, 50801528, 63501910, 127003820, 254007640]

約数ペア:

[(1, 254007640), (2, 127003820), (4, 63501910), (5, 50801528), (8, 31750955), (10, 25400764), (20, 12700382), (40, 6350191)]