134377280

素因数分解:

$2^6\times 5^1\times {\mathrm{419929}}^1$

素因数の和:419946

約数の個数: 28

約数和(自身を含む): 319986660

約数和(自身を除く): 185609380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 419929, 839858, 1679716, 2099645, 3359432, 4199290, 6718864, 8398580, 13437728, 16797160, 26875456, 33594320, 67188640, 134377280]

約数ペア:

[(1, 134377280), (2, 67188640), (4, 33594320), (5, 26875456), (8, 16797160), (10, 13437728), (16, 8398580), (20, 6718864), (32, 4199290), (40, 3359432), (64, 2099645), (80, 1679716), (160, 839858), (320, 419929)]