30439888

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{13687}}^1$

素因数の和:13834

約数の個数: 20

約数和(自身を含む): 59405920

約数和(自身を除く): 28966032

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 13687, 27374, 54748, 109496, 218992, 1902493, 3804986, 7609972, 15219944, 30439888]

約数ペア:

[(1, 30439888), (2, 15219944), (4, 7609972), (8, 3804986), (16, 1902493), (139, 218992), (278, 109496), (556, 54748), (1112, 27374), (2224, 13687)]