39961976

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{161137}}^1$

素因数の和:161174

約数の個数: 16

約数和(自身を含む): 77346240

約数和(自身を除く): 37384264

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 161137, 322274, 644548, 1289096, 4995247, 9990494, 19980988, 39961976]

約数ペア:

[(1, 39961976), (2, 19980988), (4, 9990494), (8, 4995247), (31, 1289096), (62, 644548), (124, 322274), (248, 161137)]