61191280

素因数分解:

$2^4\times 5^1\times {\mathrm{764891}}^1$

素因数の和:764904

約数の個数: 20

約数和(自身を含む): 142269912

約数和(自身を除く): 81078632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 764891, 1529782, 3059564, 3824455, 6119128, 7648910, 12238256, 15297820, 30595640, 61191280]

約数ペア:

[(1, 61191280), (2, 30595640), (4, 15297820), (5, 12238256), (8, 7648910), (10, 6119128), (16, 3824455), (20, 3059564), (40, 1529782), (80, 764891)]