87968660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{338341}}^1$

素因数の和:338363

約数の個数: 24

約数和(自身を含む): 198945096

約数和(自身を除く): 110976436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 338341, 676682, 1353364, 1691705, 3383410, 4398433, 6766820, 8796866, 17593732, 21992165, 43984330, 87968660]

約数ペア:

[(1, 87968660), (2, 43984330), (4, 21992165), (5, 17593732), (10, 8796866), (13, 6766820), (20, 4398433), (26, 3383410), (52, 1691705), (65, 1353364), (130, 676682), (260, 338341)]