16821440

素因数分解:

$2^6\times 5^1\times {\mathrm{52567}}^1$

素因数の和:52584

約数の個数: 28

約数和(自身を含む): 40056816

約数和(自身を除く): 23235376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 52567, 105134, 210268, 262835, 420536, 525670, 841072, 1051340, 1682144, 2102680, 3364288, 4205360, 8410720, 16821440]

約数ペア:

[(1, 16821440), (2, 8410720), (4, 4205360), (5, 3364288), (8, 2102680), (10, 1682144), (16, 1051340), (20, 841072), (32, 525670), (40, 420536), (64, 262835), (80, 210268), (160, 105134), (320, 52567)]