12840850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 26801856

約数和(自身を除く): 13961006

約数列:

[1, 2, 5, 10, 11, 22, 25, 37, 50, 55, 74, 110, 185, 275, 370, 407, 550, 631, 814, 925, 1262, 1850, 2035, 3155, 4070, 6310, 6941, 10175, 13882, 15775, 20350, 23347, 31550, 34705, 46694, 69410, 116735, 173525, 233470, 256817, 347050, 513634, 583675, 1167350, 1284085, 2568170, 6420425, 12840850]

約数ペア:

[(1, 12840850), (2, 6420425), (5, 2568170), (10, 1284085), (11, 1167350), (22, 583675), (25, 513634), (37, 347050), (50, 256817), (55, 233470), (74, 173525), (110, 116735), (185, 69410), (275, 46694), (370, 34705), (407, 31550), (550, 23347), (631, 20350), (814, 15775), (925, 13882), (1262, 10175), (1850, 6941), (2035, 6310), (3155, 4070)]