138475840

素因数分解:

$2^6\times 5^1\times {\mathrm{432737}}^1$

素因数の和:432754

約数の個数: 28

約数和(自身を含む): 329746356

約数和(自身を除く): 191270516

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 432737, 865474, 1730948, 2163685, 3461896, 4327370, 6923792, 8654740, 13847584, 17309480, 27695168, 34618960, 69237920, 138475840]

約数ペア:

[(1, 138475840), (2, 69237920), (4, 34618960), (5, 27695168), (8, 17309480), (10, 13847584), (16, 8654740), (20, 6923792), (32, 4327370), (40, 3461896), (64, 2163685), (80, 1730948), (160, 865474), (320, 432737)]