55122980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3529}}^1$

素因数の和:3620

約数の個数: 48

約数和(自身を含む): 128096640

約数和(自身を除く): 72973660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3529, 3905, 7058, 7810, 14116, 15620, 17645, 35290, 38819, 70580, 77638, 155276, 194095, 250559, 388190, 501118, 776380, 1002236, 1252795, 2505590, 2756149, 5011180, 5512298, 11024596, 13780745, 27561490, 55122980]

約数ペア:

[(1, 55122980), (2, 27561490), (4, 13780745), (5, 11024596), (10, 5512298), (11, 5011180), (20, 2756149), (22, 2505590), (44, 1252795), (55, 1002236), (71, 776380), (110, 501118), (142, 388190), (220, 250559), (284, 194095), (355, 155276), (710, 77638), (781, 70580), (1420, 38819), (1562, 35290), (3124, 17645), (3529, 15620), (3905, 14116), (7058, 7810)]