87070660

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{15493}}^1$

素因数の和:15783

約数の個数: 24

約数和(自身を含む): 183510936

約数和(自身を除く): 96440276

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 15493, 30986, 61972, 77465, 154930, 309860, 4353533, 8707066, 17414132, 21767665, 43535330, 87070660]

約数ペア:

[(1, 87070660), (2, 43535330), (4, 21767665), (5, 17414132), (10, 8707066), (20, 4353533), (281, 309860), (562, 154930), (1124, 77465), (1405, 61972), (2810, 30986), (5620, 15493)]