891036728080

素因数分解:

$2^4\times 5^1\times {\mathrm{11137959101}}^1$

素因数の和:11137959114

約数の個数: 20

約数和(自身を含む): 2071660392972

約数和(自身を除く): 1180623664892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11137959101, 22275918202, 44551836404, 55689795505, 89103672808, 111379591010, 178207345616, 222759182020, 445518364040, 891036728080]

約数ペア:

[(1, 891036728080), (2, 445518364040), (4, 222759182020), (5, 178207345616), (8, 111379591010), (10, 89103672808), (16, 55689795505), (20, 44551836404), (40, 22275918202), (80, 11137959101)]