28229680

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2113}}^1$

素因数の和:2293

約数の個数: 40

約数和(自身を含む): 66058272

約数和(自身を除く): 37828592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2113, 2672, 3340, 4226, 6680, 8452, 10565, 13360, 16904, 21130, 33808, 42260, 84520, 169040, 352871, 705742, 1411484, 1764355, 2822968, 3528710, 5645936, 7057420, 14114840, 28229680]

約数ペア:

[(1, 28229680), (2, 14114840), (4, 7057420), (5, 5645936), (8, 3528710), (10, 2822968), (16, 1764355), (20, 1411484), (40, 705742), (80, 352871), (167, 169040), (334, 84520), (668, 42260), (835, 33808), (1336, 21130), (1670, 16904), (2113, 13360), (2672, 10565), (3340, 8452), (4226, 6680)]