80021080

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{7069}}^1$

素因数の和:7363

約数の個数: 32

約数和(自身を含む): 180709200

約数和(自身を除く): 100688120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 7069, 11320, 14138, 28276, 35345, 56552, 70690, 141380, 282760, 2000527, 4001054, 8002108, 10002635, 16004216, 20005270, 40010540, 80021080]

約数ペア:

[(1, 80021080), (2, 40010540), (4, 20005270), (5, 16004216), (8, 10002635), (10, 8002108), (20, 4001054), (40, 2000527), (283, 282760), (566, 141380), (1132, 70690), (1415, 56552), (2264, 35345), (2830, 28276), (5660, 14138), (7069, 11320)]