16440620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2731}}^1$

素因数の和:2790

約数の個数: 48

約数和(自身を含む): 40389888

約数和(自身を除く): 23949268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 2731, 3010, 5462, 6020, 10924, 13655, 19117, 27310, 38234, 54620, 76468, 95585, 117433, 191170, 234866, 382340, 469732, 587165, 822031, 1174330, 1644062, 2348660, 3288124, 4110155, 8220310, 16440620]

約数ペア:

[(1, 16440620), (2, 8220310), (4, 4110155), (5, 3288124), (7, 2348660), (10, 1644062), (14, 1174330), (20, 822031), (28, 587165), (35, 469732), (43, 382340), (70, 234866), (86, 191170), (140, 117433), (172, 95585), (215, 76468), (301, 54620), (430, 38234), (602, 27310), (860, 19117), (1204, 13655), (1505, 10924), (2731, 6020), (3010, 5462)]