261010280

素因数分解:

$2^3\times 5^1\times {\mathrm{6525257}}^1$

素因数の和:6525268

約数の個数: 16

約数和(自身を含む): 587273220

約数和(自身を除く): 326262940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6525257, 13050514, 26101028, 32626285, 52202056, 65252570, 130505140, 261010280]

約数ペア:

[(1, 261010280), (2, 130505140), (4, 65252570), (5, 52202056), (8, 32626285), (10, 26101028), (20, 13050514), (40, 6525257)]