39840128

素因数分解:

$2^7\times {\mathrm{439}}^1\times {\mathrm{709}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 79662000

約数和(自身を除く): 39821872

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 439, 709, 878, 1418, 1756, 2836, 3512, 5672, 7024, 11344, 14048, 22688, 28096, 45376, 56192, 90752, 311251, 622502, 1245004, 2490008, 4980016, 9960032, 19920064, 39840128]

約数ペア:

[(1, 39840128), (2, 19920064), (4, 9960032), (8, 4980016), (16, 2490008), (32, 1245004), (64, 622502), (128, 311251), (439, 90752), (709, 56192), (878, 45376), (1418, 28096), (1756, 22688), (2836, 14048), (3512, 11344), (5672, 7024)]