80918888

素因数分解:

$2^3\times {\mathrm{1123}}^1\times {\mathrm{9007}}^1$

素因数の和:10136

約数の個数: 16

約数和(自身を含む): 151874880

約数和(自身を除く): 70955992

約数列:

[1, 2, 4, 8, 1123, 2246, 4492, 8984, 9007, 18014, 36028, 72056, 10114861, 20229722, 40459444, 80918888]

約数ペア:

[(1, 80918888), (2, 40459444), (4, 20229722), (8, 10114861), (1123, 72056), (2246, 36028), (4492, 18014), (8984, 9007)]