130717120

素因数分解:

$2^6\times 5^1\times {\mathrm{408491}}^1$

素因数の和:408508

約数の個数: 28

約数和(自身を含む): 311270904

約数和(自身を除く): 180553784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 408491, 816982, 1633964, 2042455, 3267928, 4084910, 6535856, 8169820, 13071712, 16339640, 26143424, 32679280, 65358560, 130717120]

約数ペア:

[(1, 130717120), (2, 65358560), (4, 32679280), (5, 26143424), (8, 16339640), (10, 13071712), (16, 8169820), (20, 6535856), (32, 4084910), (40, 3267928), (64, 2042455), (80, 1633964), (160, 816982), (320, 408491)]