208088240

素因数分解:

$2^4\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{2113}}^1$

素因数の和:3357

約数の個数: 40

約数和(自身を含む): 484427328

約数和(自身を除く): 276339088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1231, 2113, 2462, 4226, 4924, 6155, 8452, 9848, 10565, 12310, 16904, 19696, 21130, 24620, 33808, 42260, 49240, 84520, 98480, 169040, 2601103, 5202206, 10404412, 13005515, 20808824, 26011030, 41617648, 52022060, 104044120, 208088240]

約数ペア:

[(1, 208088240), (2, 104044120), (4, 52022060), (5, 41617648), (8, 26011030), (10, 20808824), (16, 13005515), (20, 10404412), (40, 5202206), (80, 2601103), (1231, 169040), (2113, 98480), (2462, 84520), (4226, 49240), (4924, 42260), (6155, 33808), (8452, 24620), (9848, 21130), (10565, 19696), (12310, 16904)]