39654128

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{27847}}^1$

素因数の和:27944

約数の個数: 20

約数和(自身を含む): 77695920

約数和(自身を除く): 38041792

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 27847, 55694, 111388, 222776, 445552, 2478383, 4956766, 9913532, 19827064, 39654128]

約数ペア:

[(1, 39654128), (2, 19827064), (4, 9913532), (8, 4956766), (16, 2478383), (89, 445552), (178, 222776), (356, 111388), (712, 55694), (1424, 27847)]