80959640

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{10487}}^1$

素因数の和:10691

約数の個数: 32

約数和(自身を含む): 183120480

約数和(自身を除く): 102160840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 10487, 20974, 41948, 52435, 83896, 104870, 209740, 419480, 2023991, 4047982, 8095964, 10119955, 16191928, 20239910, 40479820, 80959640]

約数ペア:

[(1, 80959640), (2, 40479820), (4, 20239910), (5, 16191928), (8, 10119955), (10, 8095964), (20, 4047982), (40, 2023991), (193, 419480), (386, 209740), (772, 104870), (965, 83896), (1544, 52435), (1930, 41948), (3860, 20974), (7720, 10487)]