156729370220

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{15960221}}^1$

素因数の和:15960721

約数の個数: 24

約数和(自身を含む): 329802027408

約数和(自身を除く): 173072657188

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 15960221, 31920442, 63840884, 79801105, 159602210, 319204420, 7836468511, 15672937022, 31345874044, 39182342555, 78364685110, 156729370220]

約数ペア:

[(1, 156729370220), (2, 78364685110), (4, 39182342555), (5, 31345874044), (10, 15672937022), (20, 7836468511), (491, 319204420), (982, 159602210), (1964, 79801105), (2455, 63840884), (4910, 31920442), (9820, 15960221)]