8787580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 19404000

約数和(自身を除く): 10616420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 139, 145, 218, 278, 290, 436, 545, 556, 580, 695, 1090, 1390, 2180, 2780, 3161, 4031, 6322, 8062, 12644, 15151, 15805, 16124, 20155, 30302, 31610, 40310, 60604, 63220, 75755, 80620, 151510, 303020, 439379, 878758, 1757516, 2196895, 4393790, 8787580]

約数ペア:

[(1, 8787580), (2, 4393790), (4, 2196895), (5, 1757516), (10, 878758), (20, 439379), (29, 303020), (58, 151510), (109, 80620), (116, 75755), (139, 63220), (145, 60604), (218, 40310), (278, 31610), (290, 30302), (436, 20155), (545, 16124), (556, 15805), (580, 15151), (695, 12644), (1090, 8062), (1390, 6322), (2180, 4031), (2780, 3161)]