40990448

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{134837}}^1$

素因数の和:134864

約数の個数: 20

約数和(自身を含む): 83599560

約数和(自身を除く): 42609112

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 134837, 269674, 539348, 1078696, 2157392, 2561903, 5123806, 10247612, 20495224, 40990448]

約数ペア:

[(1, 40990448), (2, 20495224), (4, 10247612), (8, 5123806), (16, 2561903), (19, 2157392), (38, 1078696), (76, 539348), (152, 269674), (304, 134837)]