28614680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6563}}^1$

素因数の和:6683

約数の個数: 32

約数和(自身を含む): 64983600

約数和(自身を除く): 36368920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 6563, 13126, 26252, 32815, 52504, 65630, 131260, 262520, 715367, 1430734, 2861468, 3576835, 5722936, 7153670, 14307340, 28614680]

約数ペア:

[(1, 28614680), (2, 14307340), (4, 7153670), (5, 5722936), (8, 3576835), (10, 2861468), (20, 1430734), (40, 715367), (109, 262520), (218, 131260), (436, 65630), (545, 52504), (872, 32815), (1090, 26252), (2180, 13126), (4360, 6563)]