12810421540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2127977}}^1$

素因数の和:2128036

約数の個数: 48

約数和(自身を含む): 31460026752

約数和(自身を除く): 18649605212

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, 3010, 6020, 2127977, 4255954, 8511908, 10639885, 14895839, 21279770, 29791678, 42559540, 59583356, 74479195, 91503011, 148958390, 183006022, 297916780, 366012044, 457515055, 640521077, 915030110, 1281042154, 1830060220, 2562084308, 3202605385, 6405210770, 12810421540]

約数ペア:

[(1, 12810421540), (2, 6405210770), (4, 3202605385), (5, 2562084308), (7, 1830060220), (10, 1281042154), (14, 915030110), (20, 640521077), (28, 457515055), (35, 366012044), (43, 297916780), (70, 183006022), (86, 148958390), (140, 91503011), (172, 74479195), (215, 59583356), (301, 42559540), (430, 29791678), (602, 21279770), (860, 14895839), (1204, 10639885), (1505, 8511908), (3010, 4255954), (6020, 2127977)]