11212580

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{5443}}^1$

素因数の和:5555

約数の個数: 24

約数和(自身を含む): 23779392

約数和(自身を除く): 12566812

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 5443, 10886, 21772, 27215, 54430, 108860, 560629, 1121258, 2242516, 2803145, 5606290, 11212580]

約数ペア:

[(1, 11212580), (2, 5606290), (4, 2803145), (5, 2242516), (10, 1121258), (20, 560629), (103, 108860), (206, 54430), (412, 27215), (515, 21772), (1030, 10886), (2060, 5443)]