8164880

素因数分解:

$2^4\times 5^1\times {\mathrm{102061}}^1$

素因数の和:102074

約数の個数: 20

約数和(自身を含む): 18983532

約数和(自身を除く): 10818652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102061, 204122, 408244, 510305, 816488, 1020610, 1632976, 2041220, 4082440, 8164880]

約数ペア:

[(1, 8164880), (2, 4082440), (4, 2041220), (5, 1632976), (8, 1020610), (10, 816488), (16, 510305), (20, 408244), (40, 204122), (80, 102061)]