12011780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 27941760

約数和(自身を除く): 15929980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 769, 781, 1420, 1538, 1562, 3076, 3124, 3845, 3905, 7690, 7810, 8459, 15380, 15620, 16918, 33836, 42295, 54599, 84590, 109198, 169180, 218396, 272995, 545990, 600589, 1091980, 1201178, 2402356, 3002945, 6005890, 12011780]

約数ペア:

[(1, 12011780), (2, 6005890), (4, 3002945), (5, 2402356), (10, 1201178), (11, 1091980), (20, 600589), (22, 545990), (44, 272995), (55, 218396), (71, 169180), (110, 109198), (142, 84590), (220, 54599), (284, 42295), (355, 33836), (710, 16918), (769, 15620), (781, 15380), (1420, 8459), (1538, 7810), (1562, 7690), (3076, 3905), (3124, 3845)]