28886140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{35227}}^1$

素因数の和:35277

約数の個数: 24

約数和(自身を含む): 62142192

約数和(自身を除く): 33256052

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 35227, 70454, 140908, 176135, 352270, 704540, 1444307, 2888614, 5777228, 7221535, 14443070, 28886140]

約数ペア:

[(1, 28886140), (2, 14443070), (4, 7221535), (5, 5777228), (10, 2888614), (20, 1444307), (41, 704540), (82, 352270), (164, 176135), (205, 140908), (410, 70454), (820, 35227)]