2720565560

素因数分解:

$2^3\times 5^1\times {\mathrm{68014139}}^1$

素因数の和:68014150

約数の個数: 16

約数和(自身を含む): 6121272600

約数和(自身を除く): 3400707040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 68014139, 136028278, 272056556, 340070695, 544113112, 680141390, 1360282780, 2720565560]

約数ペア:

[(1, 2720565560), (2, 1360282780), (4, 680141390), (5, 544113112), (8, 340070695), (10, 272056556), (20, 136028278), (40, 68014139)]