12781100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{5557}}^1$

素因数の和:5594

約数の個数: 36

約数和(自身を含む): 28946064

約数和(自身を除く): 16164964

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 5557, 11114, 22228, 27785, 55570, 111140, 127811, 138925, 255622, 277850, 511244, 555700, 639055, 1278110, 2556220, 3195275, 6390550, 12781100]

約数ペア:

[(1, 12781100), (2, 6390550), (4, 3195275), (5, 2556220), (10, 1278110), (20, 639055), (23, 555700), (25, 511244), (46, 277850), (50, 255622), (92, 138925), (100, 127811), (115, 111140), (230, 55570), (460, 27785), (575, 22228), (1150, 11114), (2300, 5557)]