12563740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2087}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 30868992

約数和(自身を除く): 18305252

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, 2087, 3010, 4174, 6020, 8348, 10435, 14609, 20870, 29218, 41740, 58436, 73045, 89741, 146090, 179482, 292180, 358964, 448705, 628187, 897410, 1256374, 1794820, 2512748, 3140935, 6281870, 12563740]

約数ペア:

[(1, 12563740), (2, 6281870), (4, 3140935), (5, 2512748), (7, 1794820), (10, 1256374), (14, 897410), (20, 628187), (28, 448705), (35, 358964), (43, 292180), (70, 179482), (86, 146090), (140, 89741), (172, 73045), (215, 58436), (301, 41740), (430, 29218), (602, 20870), (860, 14609), (1204, 10435), (1505, 8348), (2087, 6020), (3010, 4174)]