39978992

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{58109}}^1$

素因数の和:58160

約数の個数: 20

約数和(自身を含む): 79262040

約数和(自身を除く): 39283048

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 58109, 116218, 232436, 464872, 929744, 2498687, 4997374, 9994748, 19989496, 39978992]

約数ペア:

[(1, 39978992), (2, 19989496), (4, 9994748), (8, 4997374), (16, 2498687), (43, 929744), (86, 464872), (172, 232436), (344, 116218), (688, 58109)]