90326120

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20717}}^1$

素因数の和:20837

約数の個数: 32

約数和(自身を含む): 205108200

約数和(自身を除く): 114782080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 20717, 41434, 82868, 103585, 165736, 207170, 414340, 828680, 2258153, 4516306, 9032612, 11290765, 18065224, 22581530, 45163060, 90326120]

約数ペア:

[(1, 90326120), (2, 45163060), (4, 22581530), (5, 18065224), (8, 11290765), (10, 9032612), (20, 4516306), (40, 2258153), (109, 828680), (218, 414340), (436, 207170), (545, 165736), (872, 103585), (1090, 82868), (2180, 41434), (4360, 20717)]